AV Junctional Arrhythmias

Case 5 Answer

Junctional Tachycardia 3

History:
This ECG was recorded from a 56 year-old man who presented with acute onset of chest pain for 1 hour and subsequent palpitation and SOB.

ECG shows:

  • Junctional tachycardia, rate 136/min
        -regular ventricular rate
        -p waves hidden in QRS complex
        -small delta waves seen in QRS complex (lead II)
  • Normal axis, QRS duration, QT for rate
  • ST segment elevation, consistent with inferior MI
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