ECG Case 348 Interpretation

This post is an answer to the ECG Case 348

  • Rate: Mean ventricular rate 84 bpm
  • Rhythm:
    • Irregular
    • Absent p waves
  • Axis: Normal
  • Intervals: QRS – Normal (100ms)
  • Segments:
    • ST Elevation in leads II (1-2mm) III (3mm) aVF (2mm)
    • ST Depression in leads I, aVL, V2-6

  • Additional:
    • T wave inversion in leads I, V2-6
    • Biphasic T wave in leads aVL, V2
    • R/S ratio V2 >1
    • Voltage criteria for LVH

Interpretation

  • Infero-posterior OMI
  • Atrial fibrillation

What happened next ?

The patient was transferred for urgent angiography which showed:

  • Left main – Normal
  • LAD – Normal
  • Left circumflex – 70% Mid-Cx lesion –> stented
  • RCA – Normal

Post angiography echo showed severe aortic stenosis, dilated left atrium, increased LV wall thickness / mass and hypokinesis to to left ventricle.

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