| 释义 |
Wenckebach phenomenon Wen·cke·bach phe·nom·e·non (venk'ĕ-bahk), progressive lengthening of conduction time in any cardiac tissue (most often the AV node or junction) with ultimate dropping of a beat (AV Wenckebach) or reversion to the initial conduction time (as in QRS Wenckebach).Wenckebach, Karel F. (veng'ke-bok?) Dutch internist, 1864–1940.Wenckebach periodA 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 phenomenonWenckebach phenomenonWenckebach period.Wenckebach, Karel F., Dutch internist, 1864-1940. Wenckebach block - Synonym(s): Wenckebach phenomenonWenckebach 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 |