AV Junctional Arrhythmias

Case 1 Answer

Premature Junctional Contraction

History:
This ECG was recorded from a 55 year-old man with a history of IHD.

ECG shows:

  • NSR, rate 70/min
  • Premature junctional contraction (arrow)
        - inverted p wave after QRS
  • Normal axis, PR and QRS duration, QT for rate
  • Poor R wave progression, non specific ST depression in V5-6, downsloping ST segment I, aVL.
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