capture beats

capture beats
in atrioventricular dissociation, occasional ventricular responses to a sinus impulse that reaches the atrioventricular node in a nonrefractory phase.

Intermittent capture (C) and fusion (F) beats during ventricular tachycardia. The QRS complex is prolonged and the R–R interval is regular except for occasional capture beats that have abnormal contour and are slightly premature.


Medical dictionary. 2011.

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