Anxiety differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Vindhya BellamKonda, M.B.B.S [2]

Differential diagnosis of medical conditions mimicking anxiety

Myocardial infarction/Angina pectoris	EKG with ST elevation or depression. Crushing chest pain. Cardiac enzymes elevated in MI
Hyperventilation syndrome	Rapid breathing. circum oral pallor,responds to rebreathing in paper bag
Hypoglycemia	polyuria,polydipsia,polyphagia in addition to low fasting blood sugars usually, below 50mg/dl
Dermatologic	No underlying causes
Hyperthyroidism	Elevated T3 and T4
Carcinoid	Elevated BP along with anxiety symptoms. Increased levels of 5-Hydroxyindole acetic acid