ECG Case 268 Interpretation

This post is an answer to the ECG Case 268

  • Rate: 66 bpm
  • Rhythm: Regular, sinus rhythm
  • Axis: Normal
  • Intervals:
    • PR – Normal (~180ms)
    • QRS – Normal (80-100ms)
    • QT – 480ms
  • Segments:
    • ST depression in leads I, V2-6
    • Subtle ST elevation in lead V1

  • Additional:
    • High precordial R wave voltages
    • Deep T wave inversion in leads V2-3
    • Global T wave inversion – all leads except aVR

Interpretation

Apical Hypertrophic Cardiomyopathy (Deep T wave inversion, high R wave voltages, QT prolongation)

This patient had known hypertrophic apical cardiomyopathy with diastolic dysfunction but preserved systolic function.

SIMILAR CASE: ECG Case 108: Hypertrophic Cardiomyopathy