Technically, the diagnosis of an anterior myocardial infarction on an ECG has never been validated in the setting of a paced rhythm. However, that was the case in this ECG; there was acute occlusion ...
This ECG shows sinus bradycardia at 55 beats per minute with a prolonged PR interval, about 0.24 sec, consistent with first-degree atrioventricular block. The QRS duration is top normal at 0.12 sec ...