Dressler beat

Dress·ler beat

(dres'lĕr),
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.

Dress·ler beat

(dres'lĕr bēt)
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.

Dressler,

William, U.S. physician, 1890-1969.
Dressler beat - presence of Dressler beats strongly supporting the diagnosis of ventricular tachycardia by interruption of it.
Dressler syndrome - Synonym(s): pericarditis