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atrial capture beat


Definition: the cardiac cycle resulting when, after a period of A-V dissociation, the atria regain control of the ventricles; atrial depolarization results from retrograde transmission from a ventricular ectopic beat or an electronically paced ventricular impulse.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.