3. Physiology
        3.2. Cardiovascular
            3.2.2. Heart
3.2.2.1. Structure

Structure

Layers

From inside outwards

Packmaker nodes

Sinoatrial (SA) node

Atrioventricular (AV) node

Heart block
Effects on ANS on AV node

 

Bundle of His

Passes subendocardially down the right side of the interventricular septum for about 1cm
--> Then divides into left and right bundle branches.

Left bundle branch branches out almost perpendicularly
--> Travels through the interventricular septum
--> Divides into thin anterior division and thick posterier division on the subendocardial surface of the LV

 

Purkinje fibres

 

Other notes

About
Created20050604
Updated20050815
Reviewed20050815


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