Escape and the Capture by Dr TÍNH NGUYỄN CHÍ




In long lead II, the first complex is the normally conducted PQRST one, the next is the blocked P and the next is a ventricular escape beat ( we can see clearly the wide complex in D3 and D1 at the same time ) and then the cycle repeats. In this case, we see a particular pattern -  escape ventricular beat, next is the captured beat  and the next is the blocked P wave and the cycle repeats ( escape beat- capture beat- blocked P wave ). So this 2nd degree AV Block and with the specific pattern ( Escape beat-capture beat- block P wave ). So it is called : Escape-capture Bigeminy.

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