Lab Practical II Exam Notecards

Lab Practical II - The AV Bundle in septum carries impulse to lt& rt bundle branches which conduct to Purkinje fibers(Step 4& to the

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4 Parts of the Intrinsic Conduction   System
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a. The Sinoatrial (SA) Node:  in posterior wall of right atrium; contains  pacemaker cells b. Connected to AV node by internodal pathways c. Begins atrial activation (Step 1) d. The Atrioventricular (AV) Node:  in floor of rt. atrium receives impulse  from SA node (Step 2) & delays impulse (Step 3); atrial contraction begins e.
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Unformatted text preview: The AV Bundle: in septum; carries impulse to lt. & rt. bundle branches which conduct to Purkinje fibers (Step 4) & to the moderator band which conducts to papillary muscles f. Purkinje Fibers: distribute impulse through ventricles (Step 5) g. Atrial contraction is completed & Ventricular contraction begins Depolarization & Repolarization...
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This note was uploaded on 07/13/2011 for the course BIOL 2401 taught by Professor Watson during the Summer '10 term at Richland Community College.

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Lab Practical II - The AV Bundle in septum carries impulse to lt& rt bundle branches which conduct to Purkinje fibers(Step 4& to the

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