AV Junctional Arrhythmias

Case 2 Answer

Junctional Rhythm

History:
This ECG was recorded from a 64 year-old man with a recent history of MI.

ECG shows:

  • Junctional rhythm, rate 68/min
        -progressively shorten PR interval
        -retrograded p waves in QRS complex (arrow)
  • Normal axis, QRS duration, QT for rate, LAA
  • Prominent Q waves with T wave inversion in lead III, aVF, suggestive of a recent MI
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