Möbitz 2 Block with Narrow QRS Complexes

Report:

Sinus rhythm 90/min

Second degree AV block, Möbitz 2

Borderline ST segment depression

Comment:

This is quite unusual but fulfils perfectly the simplest and most useful definition of Type 2 block: all the PR intervals are the same.

Below (Fig 144a) is another trace, with 3:2 conduction bigeminy throughout.

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