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Is the AV node the slowest conducting tissue in the cardiac conduction and contraction?
Ziiwei
Yes. The AV node is the slowest conducting tissue of the heart. You can reason that the delay in the AV node exists to allow for maximal ventricle filling before contraction. After the AV node completes depolarization, the Perkinje fibers lay claim to the quickest conduction to best reach the ventricle muscle in one large burst providing maximal contraction. I hope this is helpful.
Wiki User
∙ 13y ago
Yes, the AV node is the slowest conducting tissue in the cardiac conduction system. This slow conduction allows for a delay in impulse transmission from the atria to the ventricles, which is important for coordinating the timing of atrial and ventricular contraction.
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