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

• Pre-excitation

Textbook

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