Saturday, September 30, 2023

Parasystolic Rhythm

This diagram is from Chou's Electrocardiography in Clinical Practice (6 ed), Chapter 19: Atrioventricular Block; Concealed Conduction; Gap Phenomenon.

 


 

(Please excuse the yellow highlighter.)

Notice how this masquerades as Mobitz II. The first clue to some other mechanism is the changing PR-interval related to QRS 2-4.

 

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