Electrical conduction pathway in the heart

Think: "If a person dies of heart attack, who will SAVe His KIN!" 
 [image:563 align=right width=90 height=95]

  • SA node ---> AV node ---> Bundle of  His  --> Purkinje fibers 

 Also, there are 3 internodal tracts which extend from the SA node to the AV node.



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Did you know?

imageThe sinoatrial node (SA node or SAN) is the impulse generating (pacemaker) tissue located in the right atrium of the heart, and determines the heart rate. It is a group of cells positioned on the wall of the right atrium, near the entrance of the superior vena cava and measures about 10mm x 3mm.
image3 internodal tracts which extend from the SA node to the AV node. 1.Anterior inter nodal tract of Bachman 2.Middle inter nodal tract of Wenckebach 3.Posterior inter nodal tract of Thorel

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