Graves’ Disease Presenting with Complete Atrioventricular Block

Figure 1

(a) Electrocardiography performed at the primary care clinic showing complete atrioventricular block with supraventricular rhythm, followed by long ventricular asystole over 4.4 seconds. (b) Follow-up electrocardiography at the emergency room revealing complete AV block with ventricular escape rhythm.

(a)

(b)