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Pronunciation: ven-trik'yu-lo-fa'zik

Definition: Influenced by ventricular contraction; applied to the atrial rhythm when this is modified by ventricular contraction; in ventriculophasic sinus arrhythmia in complete AV block the sinus impulse immediately following a ventricular contraction usually appears sooner than expected.

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