Chief complaint

Dizziness on Standing

!Hypovolemiacommon

!Shock

!Cardiac Tamponade

!Adrenal Insufficiency

!Myocardial Infarction

!Pulmonary Embolism

!Sepsis

!Abdominal Aortic Aneurysm

!Acute Aortic Dissection

!Aortic Stenosis

!Atrioventricular Dissociation

!Ectopic Pregnancy

!Hemorrhage

!Massive Pulmonary Embolism

!Right Ventricular Infarction

Medication Effectcommon

Anemiacommon

Autonomic Failurecommon

Dehydrationcommon

Autonomic Neuropathycommon

Deconditioningcommon

Gastroenteritiscommon

Postural Orthostatic Tachycardia Syndromecommon

Mortality

Pulmonary Hypertension

Aortic Regurgitation

Asthma Exacerbation

Atrial Fibrillation

Bacteremia

Chronic Obstructive Pulmonary Disease Exacerbation

Heart Failure

Hepatopulmonary Syndrome

Hyperthyroidism

Low Cardiac Output

Peripheral Artery Disease

Postoperative Complication

Tension Pneumothorax

Abdominal Hernia

Acute Abdomen

Acute Cholecystitis

Acute Coronary Syndrome

Amyloidosis

Aortic Coarctation

Appendiceal Mass

Appendicitis

Arrhythmia

Behçet Disease

Cardiovascular Disease