Palpitations

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Abdominal Hernia

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Abdominal Malignancy

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Acute Abdomen

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Acute Aortic Dissection

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Acute Coronary Syndrome

Rule out:SHAcute Coronary Syndrome, NHRib Fracture

Chest Wall Palpation

Rule in:NHRib Fracture

Acute Coronary Syndrome (Atypical Presentation)

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Acute Hepatitis

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Acute Leukemia

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Acute Myocardial Infarction

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Acute Pericarditis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Acute Thoracic Aortic Dissection

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Adrenal Insufficiency

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Adverse Short-term Outcome in Confirmed Pulmonary Embolism

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Amyloidosis

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Anaphylaxis

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Anemia

Rule in:SHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Rule out:MHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Pallor Evaluation

Rule in:SHAnemia

Rule out:MHAnemia

Anticholinergic Toxicity

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Aortic Coarctation

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Rule in:SHAortoiliac Occlusive Disease, IEAortic Coarctation

Femoral Artery Palpation

Rule out:IEAortic Coarctation

Aortic Dissection

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Aortic Regurgitation

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Aortic Sclerosis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Aortic Stenosis

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Brachial Artery Palpation

Rule out:VHAortic Stenosis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Aortoiliac Occlusive Disease

Rule in:SHAortoiliac Occlusive Disease, IEAortic Coarctation

Femoral Artery Palpation

Rule out:IEAortic Coarctation

Appendiceal Mass

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Appendicitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Appendicitis (Pediatric)

Rule in:SHPneumonia, IEInfective Endocarditis, IESepsis +1 more

Rule out:MHAppendicitis (Pediatric), MHPneumonia, IEInfective Endocarditis +2 more

Atelectasis

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Atelectasis with Patent Airway

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Atrial Fibrillation

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Atrial Septal Defect

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Atrioventricular Dissociation

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Autonomic Failure

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Autonomic Neuropathy

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Behçet Disease

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Bicuspid Aortic Valve

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Bronchial Obstruction

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Bronchiectasis

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Bronchitis

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Cardiac Tamponade

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Rule in:SHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Rule out:VHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Cardiomegaly

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Carotid Artery Stenosis

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Carotid Dissection

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Cecal Diverticulitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Cholangitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Cholecystitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Cholinergic Toxicity

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Chronic Myeloid Leukemia

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Chronic Obstructive Pulmonary Disease

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Chronic Obstructive Pulmonary Disease (COPD) Exacerbation

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Circulatory Shock (Undifferentiated)

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Cirrhosis

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Cirrhosis with Portal Hypertension

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Complete Heart Block

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Congestive Hepatopathy

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Constrictive Pericarditis

Rule in:SHHeart Failure, IEConstrictive Pericarditis, IERight Heart Failure

Rule out:SHTricuspid Regurgitation, IEConstrictive Pericarditis, IERight Heart Failure

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

COPD Exacerbation

Rule in:SHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Rule out:VHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

COPD with Hyperinflation

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Cor Pulmonale

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Cranial Nerve III Palsy

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Crohn Disease

Rule in:SHCrohn Disease, SHLung Cancer, SHUlcerative Colitis +2 more

Rule out:IEIron-deficiency Anemia, IESystemic Sclerosis

Crohn Disease (Terminal Ileitis)

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Croup

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Cystitis or Urinary Tract Infection

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Deconditioning

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Dehydration

Rule in:IEDehydration, IEHypovolemia

Skin Turgor

Rule out:IEDehydration, IEHypovolemia

Dehydration in Pediatric Patient

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Dextrocardia

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Diverticular Abscess

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Dyslipidemia (Hyperlipidemia)

Rule in:SHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Rule out:MHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Ectopic Pregnancy

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Endocarditis

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Endometritis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Epiglottitis

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Esophageal Rupture

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Essential (Primary) Hypertension

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Fatty Liver Disease

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

First-degree AV Block

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Fitz-Hugh-Curtis Syndrome

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Fluid Responsiveness (Preload Responsiveness)

POCUS

Inferior Vena Cava Ultrasound

Rule in:HFluid Responsiveness (Preload Responsiveness)

Rule out:HFluid Responsiveness (Preload Responsiveness)

Foreign Body Aspiration

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Gastritis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Gastroenteritis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Goiter (Thyroid Enlargement)

Rule in:SHGoiter (Thyroid Enlargement), NHThyroid Nodule

Thyroid Inspection

Rule out:SHGoiter (Thyroid Enlargement), NHThyroid Nodule

Goiter or Thyroid Nodule

Rule in:IEGoiter or Thyroid Nodule

Thyroid Palpation

Rule out:IEGoiter or Thyroid Nodule

Heart Failure

Rule in:SHHeart Failure, IEConstrictive Pericarditis, IERight Heart Failure

Rule out:SHTricuspid Regurgitation, IEConstrictive Pericarditis, IERight Heart Failure

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Heart Failure (When Wheezing Is the Dominant Auscultatory Finding)

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Heart Failure with Tachycardia

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Hematologic Malignancy

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Hemorrhage

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Hepatitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Hepatocellular Carcinoma

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Hepatomegaly

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Hereditary Hemolytic Anemia

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Horner Syndrome

Rule in:SHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Rule out:MHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Hyperbilirubinemia (Jaundice)

Rule in:SHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Rule out:MHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Hyperdynamic State

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Hypertensive Emergency

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Hypertensive Heart Disease

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Hyperthyroidism (Thyrotoxicosis)

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Hypertrophic Cardiomyopathy

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Hypertrophic Cardiomyopathy with Obstruction

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Hypoglossal Nerve Palsy

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Hypotension (Systolic Blood Pressure Below 80 MmHg)

Rule in:IEHypotension (Systolic Blood Pressure Below 80 MmHg)

Radial Artery Palpation

Rule out:IEHypotension (Systolic Blood Pressure Below 80 MmHg)

Hypothyroidism

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Hypovolemia

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Rule in:IEDehydration, IEHypovolemia

Skin Turgor

Rule out:IEDehydration, IEHypovolemia

Hypoxemia

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Immunosuppression

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Incarcerated or Strangulated Hernia

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Increased Intracranial Pressure

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Infectious Mononucleosis

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Infective Endocarditis

Rule in:SHPneumonia, IEInfective Endocarditis, IESepsis +1 more

Rule out:MHAppendicitis (Pediatric), MHPneumonia, IEInfective Endocarditis +2 more

Interstitial Lung Disease

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Intussusception

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Iron-deficiency Anemia

Rule in:SHCrohn Disease, SHLung Cancer, SHUlcerative Colitis +2 more

Rule out:IEIron-deficiency Anemia, IESystemic Sclerosis

Kawasaki Disease

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Large Pericardial Effusion

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Lead Poisoning

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Left Bundle Branch Block

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Left Ventricular Dilation

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Left Ventricular Hypertrophy

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Liver Abscess

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Lobar Pneumonia or Consolidation

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Localized Arterial Insufficiency

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Low-output State (Low Cardiac Index) Within Established Chronic Heart Failure

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Lung Cancer

Rule in:SHCrohn Disease, SHLung Cancer, SHUlcerative Colitis +2 more

Rule out:IEIron-deficiency Anemia, IESystemic Sclerosis

Lymphoma

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Mainstem Bronchus Intubation

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Massive Pulmonary Embolism

Rule in:SHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Rule out:VHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Measles

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Medication Effect

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Metastatic Liver Disease

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Mitral Regurgitation

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Mitral Stenosis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Mitral Valve Prolapse

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Mixed Aortic Valve Disease

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Moderate-to-severe Peripheral Artery Disease

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Myasthenia Gravis

Rule in:SHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Rule out:MHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Myelofibrosis

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Neurosyphilis

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Nutritional Deficiency

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Obesity

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Opioid Intoxication

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Opioid Intoxication / Overdose

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Optic Nerve Disease

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Oral Cancer

Rule in:SHMeasles, IEAcute Leukemia, IEAdrenal Insufficiency +9 more

Rule out:SHHypovolemia, MHMeasles, IEAcute Leukemia +10 more

Ovarian Cyst, Torsion, or Mass

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Pancreatitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Patent Ductus Arteriosus

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Pelvic Inflammatory Disease

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Peptic Ulcer Disease

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Perforated Viscus

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Pericardial Effusion

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Pericardial Effusion in Penetrating Chest Trauma

POCUS

Cardiac Ultrasound (Focused Echo)

aka Focused cardiac ultrasound

Rule in:VHPericardial Effusion in Penetrating Chest Trauma

Rule out:HPericardial Effusion in Penetrating Chest Trauma

Peripheral Artery Disease

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Peritonitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Pleural Effusion

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pleural Inflammation

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pneumomediastinum

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pneumonia

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule in:SHPneumonia, IEInfective Endocarditis, IESepsis +1 more

Rule out:MHAppendicitis (Pediatric), MHPneumonia, IEInfective Endocarditis +2 more

Pneumothorax

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pontine Stroke

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Poor Neurologic Outcome After Cardiac Arrest

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Postpericardiotomy Syndrome

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Postural Orthostatic Tachycardia Syndrome

Rule in:VHAutonomic Neuropathy, VHHemorrhage, VHHypovolemia +5 more

Rule out:VHAutonomic Failure, VHHemorrhage, MHAutonomic Neuropathy +4 more

Prosthetic Valve

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Pulmonary Edema

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pulmonary Embolism

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Pulmonary Fibrosis

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pulmonary Hypertension

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Pulmonary Mass

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Pulmonic Regurgitation

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Pulmonic Stenosis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Pyloric Stenosis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Rib Fracture

Rule out:SHAcute Coronary Syndrome, NHRib Fracture

Chest Wall Palpation

Rule in:NHRib Fracture

Right Bundle Branch Block

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Right Heart Failure

Rule in:SHHeart Failure, IEConstrictive Pericarditis, IERight Heart Failure

Rule out:SHTricuspid Regurgitation, IEConstrictive Pericarditis, IERight Heart Failure

Right Ventricular Infarction

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Right-sided Valvular Lesion

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Sepsis

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule in:SHPneumonia, IEInfective Endocarditis, IESepsis +1 more

Rule out:MHAppendicitis (Pediatric), MHPneumonia, IEInfective Endocarditis +2 more

Septic Shock

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Septic Shock (Severity Stratum Within Established Sepsis)

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Severe Anemia

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Rule in:HAtrial Fibrillation, SHHypothyroidism, SHPneumonia +7 more

Rule out:VHAtrial Fibrillation, MHAdverse Short-term Outcome in Confirmed Pulmonary Embolism, IECardiac Tamponade +5 more

Severe Aortic or Mitral Regurgitation

Rule in:VHLeft Ventricular Dilation, HLeft Ventricular Hypertrophy, SHCardiomegaly +7 more

Rule out:VHLeft Ventricular Dilation, SHLeft Ventricular Hypertrophy, MHCardiomegaly +7 more

Severe Aortic Regurgitation

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Severe Asthma Exacerbation

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Rule in:SHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Rule out:VHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Severe Brain Injury

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Severe Left Ventricular Dysfunction

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Severe Metabolic Acidosis (Any Cause — Diabetic Ketoacidosis, Alcoholic Ketoacidosis, Lactic Acidosis, Salicylate Toxicity, Uremic Acidosis)

Rule in:SHPneumonia, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Rule out:MHPulmonary Embolism, IEHeart Failure, IEIncreased Intracranial Pressure +3 more

Severe Traumatic Brain Injury / Poor Neurologic Outcome

Rule in:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Rule out:IEAnticholinergic Toxicity, IECholinergic Toxicity, IECranial Nerve III Palsy +7 more

Severe Tricuspid Regurgitation

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Shock

Rule in:HHypovolemia, SHDehydration in Pediatric Patient, MHModerate-to-severe Peripheral Artery Disease +4 more

Rule out:MHDehydration in Pediatric Patient, MHHypovolemia, MHShock +3 more

Sigmoid Diverticulitis

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Splenic Abscess

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Splenic Infarction

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Splenic Infarction or Rupture

Rule in:VHAbdominal Aortic Aneurysm, VHPyloric Stenosis, VHSigmoid Diverticulitis +29 more

Rule out:SHCholecystitis, SHHepatomegaly, MHAbdominal Aortic Aneurysm +28 more

Splenomegaly

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Subclavian Artery Stenosis

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Systemic Sclerosis

Rule in:SHCrohn Disease, SHLung Cancer, SHUlcerative Colitis +2 more

Rule out:IEIron-deficiency Anemia, IESystemic Sclerosis

Takayasu Arteritis

Rule in:HAortic Stenosis, HTakayasu Arteritis, SHAortic Dissection +7 more

Rule out:SHAortic Stenosis, IEAortic Regurgitation, IECarotid Artery Stenosis +5 more

Tension Pneumothorax

Rule in:SHPneumonia, IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure +5 more

Rule out:IEChronic Obstructive Pulmonary Disease (COPD) Exacerbation, IEHeart Failure, IEPeripheral Artery Disease +4 more

Rule in:SHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Rule out:VHCardiac Tamponade, SHSevere Asthma Exacerbation, IECOPD Exacerbation +2 more

Thyroid Eye Disease (Graves Orbitopathy)

Rule in:SHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Rule out:MHAnemia, IEDyslipidemia (Hyperlipidemia), IEHorner Syndrome +4 more

Thyroid Nodule

Rule in:SHGoiter (Thyroid Enlargement), NHThyroid Nodule

Thyroid Inspection

Rule out:SHGoiter (Thyroid Enlargement), NHThyroid Nodule

Thyroid Storm (Thyrotoxic Crisis)

Rule in:SHPneumonia, IEInfective Endocarditis, IESepsis +1 more

Rule out:MHAppendicitis (Pediatric), MHPneumonia, IEInfective Endocarditis +2 more

Tricuspid Regurgitation

Rule in:SHHeart Failure, IEConstrictive Pericarditis, IERight Heart Failure

Rule out:SHTricuspid Regurgitation, IEConstrictive Pericarditis, IERight Heart Failure

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Rule out:SHCirrhosis, IEAcute Hepatitis, IECongestive Hepatopathy +6 more

Tricuspid Stenosis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Ulcerative Colitis

Rule in:SHCrohn Disease, SHLung Cancer, SHUlcerative Colitis +2 more

Rule out:IEIron-deficiency Anemia, IESystemic Sclerosis

Unilateral Pulmonary Process (Consolidation, Effusion, Pneumothorax, or Atelectasis)

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Upper Airway Obstruction

Rule in:VHPneumothorax, HMainstem Bronchus Intubation, HPleural Effusion +24 more

Rule out:VHPleural Effusion, SHMainstem Bronchus Intubation, SHPneumothorax +23 more

Uremic Pericarditis

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Ventricular Septal Defect

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Visceral Leishmaniasis

Rule in:SHCirrhosis, SHInfectious Mononucleosis, IEChronic Myeloid Leukemia +10 more

Rule out:MHInfectious Mononucleosis, IEChronic Myeloid Leukemia, IECirrhosis with Portal Hypertension +9 more

Volume Depletion From Significant Blood Loss

Rule in:VHAortic Regurgitation, VHVolume Depletion From Significant Blood Loss, HAcute Aortic Dissection +11 more

Rule out:VHVolume Depletion From Significant Blood Loss, HLow-output State (Low Cardiac Index) Within Established Chronic Heart Failure, SHAcute Aortic Dissection +10 more

Volume Overload

Cardiac Auscultation

Rule in:VHAortic Stenosis, VHHeart Failure, VHHypertrophic Cardiomyopathy with Obstruction +34 more

Rule out:VHAortic Stenosis, VHHypertrophic Cardiomyopathy with Obstruction, SHAortic Regurgitation +33 more

Rule in:VHHypovolemia, HHeart Failure, HRight Ventricular Infarction +8 more

Rule out:HRight Ventricular Infarction, SHHypovolemia, SHPulmonary Hypertension +8 more

Wilson Disease