Carbamazepine-Induced Atrioventricular Block In An Elderly Woman

An 88-year-old woman was admitted to the emergency department after experiencing syncope while in a sitting position. Electrocardiogram showed advanced degree heart block. She has been on low-dose carbamazepine (200 mg/day) for the last year for trigeminal neuralgia (TN). After discontinuation of carbamazepine, the patient returned to normal sinus rhythm.