ECG findings

Question 1

Atrial fibrillation with aberrant conduction results in?

Answer 1

an irregularly irregular rhythm and a wide-complex tachycardia with a QRS morphology (rSR pattern in lead V1, deep terminal S waves in leads I and V6) on electrocardiogram typical of right bundle branch block

Question 2

Mobitz type II second-degree atrioventricular block is an uncommon but potentially life-threatening electrical complication of anterior myocardial infarction. Management is?

Answer 2

temporary or permanent pacing