February 29, 2016

Group-beating: footprints of a Wenckebach

What is your ECG interpretation?

Figure 1-  ECG case

This is sinus rhythm (arrhythmia), first degree AV block, second degree AV block type I (Mobitz 1/Wenckebach), right bundle branch block (RBBB). The RBBB is not clear in V1 because V1 is in the wrong location. It is only obvious in lead I (wide S wave).

Figure 2 - Ladder diagram

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