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 of ...

A 78-year-old man with a history of heart failure presents for routine follow-up 1 week after insertion of a pacemaker. As part of the evaluation, a 12-lead ECG is obtained. The correct diagnosis is ...

The rhythm is regular at a rate of 120 beats/min. A pacemaker stimulus occurs before each QRS complex (→). This is ventricular pacing. Because the pacing rate is 120 beats/min, the mode of pacing must ...

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 81 year old woman presents to her GP with blackouts lasting a few seconds. What does her ECG show? A Sinus rhythm with Mobitz I second degree (Wenckebach) AV block The ECG shows consistent p ...

Apple Watch Series 4 has two FDA-cleared heart features that can warn about life-threatening conditions. Here's what happened when I tested Apple's ECG against a medical-grade EKG. Vanessa is a lead ...