atrioventricular conduction

atrioventricular conduction
AV conduction the normal conduction of atrial impulses in the heart, passing through the atrioventricular node and the His-Purkinje system to the ventricles.

Medical dictionary. 2011.

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  • 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

  • Conduction system, cardiac — The electrical conduction system that controls the heart rate. This system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood. Among the major elements in the… …   Medical dictionary

  • Atrioventricular block — Infobox Disease Name = Atrioventricular block Caption = DiseasesDB = ICD10 = ICD10|I|44|0|i|30 ICD10|I|44|3|i|30 ICD9 = ICD9|426.0 ICD9|426.1 ICDO = OMIM = MedlinePlus = eMedicineSubj = med eMedicineTopic = 189 MeshID = D006327 An… …   Wikipedia

  • Atrioventricular node — The atrioventricular (AV) node is an electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the heart). Electrical signals from the atria must pass through the AV node to reach the ventricles. The AV node …   Medical dictionary

  • atrioventricular block — AV block impairment of conduction of cardiac impulses from the atria to the ventricles, usually due to a block in the atrioventricular junctional tissue (atrioventricular node, bundle of His, or bundle branches). It is generally subclassified as… …   Medical dictionary

  • 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

  • atrioventricular — Relating to both the atria and the ventricles of the heart, especially to the ordinary, orthograde transmission of conduction or blood flow. * * * atrio·ven·tric·u·lar .ā trē (.)ō .ven trik yə lər adj 1) of, relating to, or situated between an… …   Medical dictionary

  • Atrioventricular (AV) — Pertaining to the atria (the upper chambers of the heart) and the ventricles (the lower chambers of the heart). The AV node is an electrical relay station between the atria and the ventricles. Electrical signals from the atria must pass through… …   Medical dictionary

  • atrioventricular (AV) sequential pacemaker — an artificial cardiac pacemaker used in patients with abnormal sinus node function and impaired AV conduction; it senses ventricular, and sometimes atrial, activity and in addition to stimulating the atrium also stimulates the ventricle after an… …   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

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