Is it possible that you find a sick sinus syndrom AND a total AV block in the same patient?

Yes! A functional disorder of the sinus node is a disease of the excitation and conductive system. This disease often manifests itself not only in the sinus node, but also in the other parts of the conduction system such as the AV node or the Tawara branches. This explains the frequent coincidence of a sinus node disease with an AV block or bundle branch block.

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