- A 78-year-old man with a history of heart failure had a biventricular pacemaker inserted and presented for follow-up
- An ECG showed a regular rhythm at 110 beats/min, with P waves before each QRS complex and stable PR interval
- The odd-numbered QRS complexes were native and not captured by the pacemaker, while the even-numbered QRS complexes indicated intermittent loss of left ventricular capture
- The patient’s condition was explained by Dr. Philip Podrid, an electrophysiologist and professor who teaches clinical cardiology and ECGs
- Dr. Podrid enjoys sharing his expertise with medical students and cardiology fellows, as well as pursuing hobbies like photography and music.
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Cardiology, Critical Care, Internal Medicine