ECG Case 235 Interpretation

This post is an answer to the ECG Case 235

  • Rate: 110 bpm
  • Rhythm: Regular Sinus rhythm
  • Axis: Normal
  • Intervals:
    • PR – Normal (160ms)
    • QRS – Normal (80ms)
    • QT – 300ms (QTc Bazette 410 ms)
  • Segments:
    • Widespread ST elevation in leads I, II, III, aVF, V2-6
      • Concave morphology
    • ST Depression in lead aVR

  • Additional:
    • PR depression in leads I, II, III, aVF, V4-6
    • PR elevation in lead aVR
    • Down-sloping T-P segment best seen in lead II

Interpretation

Pericarditis. Note sinus tachycardia, possible effusion ?

Pericarditis complicated by pericardial effusion
Pericarditis complicated by pericardial effusion

What happened next ?

The patient was admitted under the cardiology team. Blood tests showed a negative troponin but raised inflammatory markers and D-dimer.

A subsequent CTPA showed a pericardial effusion and the patient underwent pericardiocentesis for a large effusion, total drainage of ~900mls of fluid. The ultimate diagnosis was of viral pericarditis complicated by pericardial effusion.

READ MORE: Know the Differential for ST Segment Elevation: It’s More Than Just ACS

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