ATRIOVENTRICULAR (AV) BLOCKS:

 

 

Disorders of the atrioventricular (AV) node with conduction from the atria to the ventricles. Abnormalities range from slowing of the impulses through the AV node to complete failure of the AV node.

 

(See first degree AV block; second degree AV block; third degree AV block; and 2:1 AV block).

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