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preexcitation

Pronunciation: pre'ek-si-ta'shun

Definition: Premature activation of part of the ventricular myocardium by an impulse that travels by an anomalous path and so avoids physiologic delay in the atrioventricular junction; an intrinsic part of the Wolff-Parkinson-White syndrome.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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