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What causes the normal delay in transmission at the AV node What is the importance of this delay for cardiac function?
Wiki User
∙ 13y ago
The delay occurs within the fibres of the AV node. It is important because it allows the atria to complete their contraction and empty their blood into the ventricles before the ventricles contract. There is a short delay (1 m/second) in transmission of the impulse to the ventricles.
Wiki User
∙ 13y ago
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