Medical dictionary. 2011.
isorhythmic atrioventricular dissociation — a form of atrioventricular dissociation in which the atria and ventricles beat at similar rates, although independently; it usually results from severe sinus bradycardia in which the sinus node discharge rate drops just below that of the… … Medical dictionary
dissociation — 1. Separation, or a dissolution of relations. SYN: disassociation. 2. The change of a complex chemical compound into a simpler one by any lytic reaction, by ionization, by heterolysis, or by homolysis. 3 … Medical dictionary
atrioventricular nodal reentry — AV nodal reentry an arrhythmia causing mechanism in which two opposing pathways are established within the atrioventricular node (longitudinal dissociation); the anterograde pathway, which is usually slower, activates the ventricles and the… … Medical dictionary
interference dissociation — interference atrioventricular dissociation a form of atrioventricular dissociation in which an accelerated junctional or ventricular pacemaker usurps control of the ventricles and rapidly bombards the atrioventricular node from below, rendering… … Medical dictionary
Third-degree atrioventricular block — Classification and external resources ICD 10 I44.2 … 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
rhythm — 1. Measured time or motion; the regular alternation of two or more different or opposite states. 2. SYN: r. method. 3. Regular or irregular occurrence of an electrical event in the electrocardiogram or electroencephalogram. SEE ALSO: wave. 4.… … Medical dictionary
AVD — Abbreviation for atrioventricular dissociation. * * * aortic valvular disease; apparent volume of distribution; Army Veterinary Department; atrioventricular dissociation … Medical dictionary
capture beats — in atrioventricular dissociation, occasional ventricular responses to a sinus impulse that reaches the atrioventricular node in a nonrefractory phase. Intermittent capture (C) and fusion (F) beats during ventricular tachycardia. The QRS complex… … Medical dictionary
Stimulateur cardiaque — Pour les articles homonymes, voir Pacemaker. Le stimulateur cardiaque, ou pacemaker, ou pile est un dispositif implanté dans l’organisme délivrant des impulsions électriques au cœur et permettant par exemple d’accélérer ce dernier lorsqu’il est… … Wikipédia en Français
