04-12-2011, 08:53 AM
A 60 y/o man on the cardiology ward presents with a hx of myocardial Infarction.ECG shows a broaden QRS complex, no R wave in V1, and a tall, wide R wave in V6.Splitting of the S2 heart sound increases upon expiration and decreases upon inspiration.What underlying pathology would explain these clinical findings ?
A-AV nodal re-entry
B-Damage to the left bundle branch
C-Damage to the right bundle branch
D- First degree AV block
E- Pre-excitation syndrome
A-AV nodal re-entry
B-Damage to the left bundle branch
C-Damage to the right bundle branch
D- First degree AV block
E- Pre-excitation syndrome