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Pathway form Impulses in the Heart
N/A
5
Physiology
Undergraduate 2
11/19/2013

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Term
Step 1
Definition
Action potential initiated in the SA nodr. From SA node impulses travel to AV nnode through internodal pathways
Term
Step 2
Definition
Impulse is conducted to cells of the AV node which results in AV nodal delay
Term
Step 3
Definition
From AV node, impulse travrls through AV bundle
Term
Step 4
Definition
Impulse travels from AV bundle and splits into bundle branches which conduct impulses to left and right ventricles
Term
Step 5
Definition
From bundle branches impulses travel through purkinje fibers. From the fibers the impulses travel to the rest of the cell.
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