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Dressler beat

Pronunciation: dres′lĕr

Definition: fusion beat interrupting a ventricular tachycardia and producing a normally narrow QRS complex as a result of the fusion of two impulses, one impulse from the ventricular tachycardia and the other from a supraventricular focus; Dressler beats strongly support the diagnosis of ventricular tachycardia by interruption of it.

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

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