AV node
Medical term EKG and Cardiovascular Testing
Atrioventricular node: tissue between the atria and ventricles that receives the impulse from the SA node and briefly delays it.
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Related terms
- SA nodeSinoatrial node: the heart's natural pacemaker in the right atrium, where each normal beat starts.
- tissueA group of similar cells working together to perform a specific function.
- artifactInterference on an EKG tracing not caused by the heart, such as muscle tremor, patient movement or…
- asystoleAbsence of heart contraction and pulse.
- atrial fibrillationA fast, irregular rhythm in which the atria quiver instead of contracting; it raises stroke risk.
- atrial flutterA fast, regular atrial rhythm with a sawtooth pattern on the EKG.
- bundle of HisConduction fibers that carry the impulse from the AV node through the wall between the ventricles.
- cardiac cycleOne complete heartbeat: contraction (systole) and relaxation (diastole) of the chambers.
- cardiac outputThe amount of blood the heart pumps in one minute.
- defibrillationDelivering an electric shock to the heart to stop a life-threatening rhythm so a normal rhythm can return.