decremental conduction

decremental conduction: the delay or failure of propagation of an impulse in the atrioventricular node resulting from progressive decrease in the rate of the rise and amplitude of the action potential as it spreads through the node.

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conduction — 1. The act of transmitting or conveying certain forms of energy, such as heat, sound, or electricity, from one point to another, without evident movement in the conducting body. 2. The transmission of stimuli of various sorts by living protoplasm … Medical dictionary
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
Atrioventricular node — Infobox Anatomy Name = PAGENAME Latin = nodus atrioventricularis GraySubject = GrayPage = Caption = AV node visible near bend of red line. Caption2 = Heart; conduction system Precursor = System = Artery = atrioventricular nodal branch Vein =… … Wikipedia
decrement — 1. Decrease. 2. Decrease in conduction velocity at a particular point; a result of altered properties at that point. SEE ALSO: decremental conduction. [L. decrementum, fr. decresco, to decrease] * * * dec·re·ment (dekґrə mənt) [L.… … Medical dictionary

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