Wenckebach phenomenon

Wenckebach phenomenon n heart block in which a pulse from the atrium periodically does not reach the ventricle and which is characterized by progressive prolongation of the P-R interval until a pulse is skipped

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see under block.

Medical dictionary. 2011.

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  • Wenckebach period — Wencke·bach period weŋ kə .bäk n WENCKEBACH PHENOMENON Wencke·bach veŋ kə .bäk Karel Frederik (1864 1940) Dutch internist. Wenckebach held professorships in internal medicine at Groningen, Netherlands, at Strasbourg, and at Vienna. His areas of… …   Medical dictionary

  • Wenckebach block period phenomenon — Wen·cke·bach block, period, phenomenon (vengґkə bahk) [Karel Frederik Wenckebach, Dutch internist in Austria, 1864–1940] see under block, period, and phenomenon …   Medical dictionary

  • phenomenon — 1. A symptom; an occurrence of any sort, whether ordinary or extraordinary, in relation to a disease. 2. Any unusual fact or occurrence. [G. phainomenon, fr. phaino, to cause to appear] adhesion p. a p. manifested by the adherence of antigen… …   Medical dictionary

  • Wenckebach — Karel F., Dutch internist, 1864–1940. See W. block, W. period, W. phenomenon …   Medical dictionary

  • Karel Frederik Wenckebach — (March 24, 1864 November 11, 1940) was a Dutch anatomist who was a native of the Hague. He studied medicine in Utrecht, and in 1901 become a professor of medicine at the University of Groningen. Later he was a professor at the Universities of… …   Wikipedia

  • block — 1. To obstruct; to arrest passage through. 2. A condition in which the passage of an electrical impulse is arrested, wholly or in part, temporarily or permanently. 3. SYN: atrioventricular b.. [Fr. bloquer] alveolocapillary b. the presence of… …   Medical dictionary

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  • period — 1. A certain duration or division of time. 2. One of the stages of a disease, e.g., p. of incubation, p. of convalescence. SEE ALSO: stage, phase. 3. Colloquialism for menses. 4. Any of the horizontal rows of chemical elements in the …   Medical dictionary

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