sinoatrial node

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sinoatrial node [¦sī·nō′ā·trē·əl ′nōd]

(anatomy)

A bundle of Purkinje fibers located near the junction of the superior vena cava with the right atrium which acts as a pacemaker for cardiac excitation. Abbreviated SA node. Also known as sinoauricular node.

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No references found			The pacemaker of the heart is called sinoatrial node. Arrhythmia,Causes and Treatments by harryjackson / Health, general community The trigger for the atrium to contract is an electrical signal sent from what is known as the Sinoatrial Node (or SV Node). Why Is This Heart Operation Called the Maze Procedure? by Eric Driver / Health care industry community In AF, the atria of the heart are stimulated by abnormal electrical impulses from the sinoatrial node and malfunctioning atrial tissue, resulting in an irregular and disorganized heart beat. ATRIAL FIBRILLATION PROCEDURES TO GROW OVER 25% ANNUALLLY by Biotech Equipment Update			sinking curtain sinking fund sinking in Sinking Platform sinking pump sinking tubing sinking-and-walling scaffold Sinks Canyon State Park Sinkyone Wilderness State Park Sinn Fein Sinn Féin Sinnemahoning State Park Sinningia Sinnott, Edmund W. Sino-American Treaty of 1946 Sino-French War Sino-French War of 1884–85 Sino-Himalayan Subregion Sino-Japanese War Sino-Japanese War of 1894–95 Sino-Japanese War of 1945 Sino-Japanese War, First Sino-Japanese War, Second Sino-Korean Platform Sino-Tibetan Languages sinoatrial node sinoauricular node Sinodik Sinodik Opalnykh Groznogo sinoite Sinoksal Sinology Sinology, Institute of Sinon Sinop Sinop, Battle of 1853 Sinope sinople Sinopsis Sint-Niklaas Sint-Truiden sinter Sinter Aggregates of Minerals sinter setting sintered clay sintered copper sintered fuel ash Sintered Material sintered steel Sintering sintering furnace			sinoatrial sinoatrial sinoatrial (S-A) node sinoatrial (S-A) node sinoatrial (S-A) node Sinoatrial arrest Sinoatrial arrest Sinoatrial arrest Sinoatrial arrest sinoatrial block sinoatrial block sinoatrial block sinoatrial block sinoatrial block sinoatrial bradycardia sinoatrial bradycardia sinoatrial bradycardia sinoatrial bundle sinoatrial bundle sinoatrial bundle sinoatrial bundle sinoatrial bundle Sinoatrial cell Sinoatrial cell Sinoatrial cell sinoatrial exit block Sinoatrial heart block Sinoatrial heart block Sinoatrial heart block Sinoatrial Nodal Reentrant Tachycardia sinoatrial node sinoatrial rhythm sinoatrial rhythm sinoatrial rhythm sinoatrial rhythm sinoatrial valve sinoauricular sinoauricular sinoauricular block sinoauricular node sinoauricular node sinoauricular node Sinobi Sinobi Sinobi-zyutu sinobronchitis Sinocalamus SINOCHEM Sinocrassula Indica Sinodefence Sinodefence Sinodic month Sinodic month Sinodic month Sinodic period Sinodik Sinodik Opalnykh Groznogo Sinoeuropean Engineering Research Forum SINOI Sinoid Sinoid

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