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What Do You Think 13

Harry's Corner /

ECG Challenges

Author

Assoc Prof Harry Mond

Published

March 12, 2025

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74-year old blind professional hang glider.

What do you think?

Sinus rhythm
Ventricular stimulus artefacts (red arrows)with paced QRS complexes (red highlight).
Ventricular ectopics in bigeminy

Dual chamber pacing and ventricular bigeminy

‍

What did I learn?

In any ECG, a left bundle branch block configuration is ventricular pacing until proven otherwise.

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What Do You Think 13

Download a free PDF copy!

Purchase the textbook

Latest Articles

2:1 AV block - To pace or not to pace

Medical Student with Palpitations

AV Block with Changing PP Intervals