junctional rhythm

junctional rhythm
junctional rhythm n a cardiac rhythm resulting from impulses coming from a locus of tissue in the area of the atrioventricular node

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atrioventricular junctional r.

Medical dictionary. 2011.

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  • Junctional rhythm — is an abnormal heart rhythm, where the AV node initiates electrical activity in the heart [ eMedicine: Junctional Rhythms http://www.emedicine.com/MED/topic1212.htm ] . This pathway does allow the atria to contract before the ventricles, however …   Wikipedia

  • accelerated atrioventricular (AV) junctional rhythm — a cardiac rhythm in which increased rhythmicity of the atrioventricular junction causes it to initiate a series of ectopic impulses, usually occurring at a rate of 70 to 130 beats per minute …   Medical dictionary

  • atrioventricular (AV) junctional rhythm — the heart rhythm that results when the atrioventricular junction acts as pacemaker …   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

  • Junctional escape beat — A junctional escape beat is a delayed heartbeat originating not from the atrium but from an ectopic focus somewhere in the AV junction. It occurs when the rate of depolarization of the SA node falls below the rate of the AV node. This dysrhythmia …   Wikipedia

  • junctional escape rhythm — atrioventricular junctional escape r …   Medical dictionary

  • atrioventricular (AV) junctional escape rhythm — a cardiac rhythm of four or more AV junctional escape beats at a rate below 60 beats per minute, the impulses originating in the AV junction due to absence of normal impulse generation by or conduction from the sinus node or atria …   Medical dictionary

  • atrioventricular junctional escape — the occurrence of one or more escape beats in which the atrioventricular node acts as the cardiac pacemaker; see also under beat and rhythm …   Medical dictionary

  • atrioventricular (AV) nodal rhythm — atrioventricular (AV) junctional r …   Medical dictionary

  • nodal rhythm — atrioventricular junctional r …   Medical dictionary

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