Chief complaint

Neck Swelling

!Anaphylaxis

!Epiglottitis

!Esophageal Rupture

!Necrotizing Soft-tissue Infection

!Pneumomediastinum

!Upper Airway Obstruction

Thyroid Nodulecommon

Aortic Regurgitation

Aortic Stenosis

Cardiac Tamponade

Hyperthyroidism

Mortality

Myocardial Infarction

Reduced Left Ventricular Ejection Fraction

Acute Aortic Dissection

Chronic Obstructive Pulmonary Disease

Goiter

Hyperdynamic State

Hypertrophic Cardiomyopathy

Pulmonary Embolism

Shock

Anemia

Atrial Fibrillation

Bacteremia

Decompensation

Heart Failure

Mitral Regurgitation

Mitral Stenosis

Pericardial Effusion

Pneumonia

Postoperative Complication

Pulmonary Hypertension

Serious Adverse Event

Stroke

Thyroid Carcinoma

Volume Overload

Acute Coronary Syndrome

Acute Pericarditis

Airflow Obstruction

Aortic Coarctation

Aortic Sclerosis

Asthma

Atelectasis

Atrial Septal Defect

Autonomic Failure

Bicuspid Aortic Valve

Brainstem Lesion

Bronchial Obstruction