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What Do You Think 11

Harry's Corner /

ECG Challenges

Author

Assoc Prof Harry Mond

Published

March 12, 2025

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32-year old elephant trainer with flat feet.

Clue: sinus rhythm with 12-lead ECG, but P waves hard to see.

What do you think?

It isn’t hard.

Again dissect it down to its basics.

Sinus rhythm 60 bpm (red vertical arrows). Yes 60 bpm!
Alternate beats are premature; bigeminy.
Interpolated atrial ectopics (red highlight).
Some ectopics are conducted with aberration(yellow highlight).

Sinus rhythm with bigeminal interpolated atrial ectopics and aberration

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What Do You Think 11

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