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This post is an answer to the ECG Case 250

• Rate: ~66 bpm
• Rhythm: Regular, Sinus rhythm
• Axis: Normal (~40 deg)
• Intervals:
  • PR – Short (100ms)
  • QRS – Prolonged (140ms)
  • QT – 440ms
• Segments:
  • Discordant ST-segments changes
    • ST Elevation in leads aVR, V1-3
    • ST Depression in leads I, II, aVL, aVF, V5-6

• Additional:
  • Delta-waves in lateral leads
  • Dominant S wave in lead V1
    • Type B Pattern

Interpretation

• Wolff-Parkinson-White Syndrome
  • Short PR segment
  • QRS Prolongation
  • Delta waves

SIMILAR CASES:

• ECG Case 188: Wolff-Parkinson-White (WPW)
• ECG Case 162: Wolff-Parkinson-White (WPW) Syndrome
• ECG Case 113: WPW Syndrome Type A, with Paroxysmal Atrial Fibrillation
• ECG Case 87: WPW syndrome type A