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Differences between nodal cells and atrioventricular myocytes.

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Why is an AV node cell action potential slower than an atrial or ventricular myocyte?

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Solution Summary

The differences between the nodal cells and atrioventricular myocytes are examined.

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Atrial and ventricular myocytes have fast-response action potentials while AV node cells have a slower response. This would make sense considering that the atria and ventricle would have to contract as one to force blood out of the chamber properly whereas AV node cells are more important for rythmicity.

This can be further explained by understanding that the atrial and ventricular myocytes have a much steeper ...

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