Chief complaint

Headache

!Stroke

!Increased Intracranial Pressure

!Meningitis

!Basilar Skull Fracture

!Subarachnoid Hemorrhage

!Acute Angle-closure Glaucoma

!Brain Tumor

!Carotid Dissection

!Hypertensive Emergency

!Idiopathic Intracranial Hypertension

Acute Rhinosinusitiscommon

Allergic Rhinitiscommon

Refractive Errorcommon

Infectious Mononucleosis

Mortality

Vestibular Dysfunction

Anemia

Hyperthyroidism

Lymphoma

Malignant Lymphadenopathy

Bacteremia

Cardiac Tamponade

Hypothyroidism

Hypovolemia

Infective Endocarditis

Leukemia

Metastatic Carcinoma

Multiple Sclerosis

Parkinson Disease

Reactive Lymphadenitis

Reduced Left Ventricular Ejection Fraction

Acute Aortic Dissection

Acute Otitis Media

Aortic Coarctation

Aortic Regurgitation

Aortic Stenosis

Bowel Obstruction

Carotid Artery Stenosis

Carotid Embolism

Cerebellar Disease

Cholesteatoma

Cranial Nerve III Palsy

Decompensation

Diabetic Retinopathy

Granulomatous Lymphadenitis

Hematologic Malignancy

HIV Infection

Hypertension