Conduction System of the Heart
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Last updated 7:34 PM on 5/20/25
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5 Terms
1
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Sinoatrial Node
in right atrium
pacemaker of the heart
triggers the atria to contract and passes the impulse to the AV node
2
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Atrievtricular Node
causes delay allowing the atria to empty blood and close bicuspid and tricuspid valve
3
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Atrioventricular Bundle
in septum
aka bundle of his
sends impulse to bundle branches
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right and left bundle branches
right bundle is right ventricle
left bundle is left ventricle
sends impulse to purkinje fibers
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Purkinje fibers
spread in muscle tissue
carries impulse to ventricles and cause them to contract
Note 
Flashcards (37)