Wenckebach period


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Wen·cke·bach pe·ri·od

(ven-kĕ-bak'),
a sequence of cardiac cycles in the electrocardiogram ending in a dropped beat due to AV block, the preceding cycles showing progressively lengthening PR intervals; the PR interval following the dropped beat is again shortened.

Wen·cke·bach pe·ri·od

(veng'ke-bahk pēr'ē-ŏd)
A sequence of cardiac cycles in the electrocardiogram ending in a dropped beat due to atrioventricular block, the preceding cycles showing progressively lengthening P-R intervals; the P-R interval following the dropped beat is again shortened.

Wenckebach period

A form of incomplete heart block in which, as detected by electrocardiography, there is progressive lengthening of the P-R interval until there is no ventricular response; and then the cycle of increasing P-R intervals begins again.
Synonym: Wenckebach's phenomenon

Wenckebach,

Karel F., Dutch internist, 1864-1940.
Wenckebach block - Synonym(s): Wenckebach phenomenon
Wenckebach period - a sequence of cardiac cycles in the electrocardiogram ending in a dropped beat due to A-V block.
Wenckebach phenomenon - progressive lengthening of conduction time in cardiac tissue, with ultimate dropping of a beat. Synonym(s): Wenckebach block