ECG of the Week – 25th June 2018 – Interpretation

This ECG is from a 27yr old female who presents with a 10 day history of intermittent palpitations. She is normally fit and well with no known medical issues.

 

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Rate:

  • 72 bpm

Rhythm:

  • Regular
  • Sinus rhythm

Axis:

  • Normal (-33 deg)

Intervals:

  • PR – Short (~115ms)
  • QRS – Prolonged (110ms)
  • QT – 380ms (QTc Bazette 400 ms)

Additional:

  • T inversion lead III
  • Delta wave best seen leads II, III, V5-6

Interpretation:

  • Pre-excitation

 The ECG in palpitations

What happened ?

The patient had a normal echo and was referred for electrophysiology review and follow-up.

References / Further Reading

Life in the Fast Lane

Textbook

  • Chan TC, Brady WJ, Harrigan RA, Ornato JP, Rosen P. ECG in Emergency Medicine and Acute Care. Elsevier Mosby 2005.

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