Fig. 2From: Transient complete atrioventricular block and ST-segment elevation induced by coronary vasospasm due to iatrogenic hyperkalemia: a case reportSimultaneous electrocardiogram during syncope exhibited complete atrioventricular block, elevated ST-segment in leads II and III, and atrioventricular block with an instant serum potassium of 7.84 mmol/lBack to article page