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subsidiary atrial pacemaker

 

Definition: secondary source for rhythmic control of the heart, available for controlling cardiac activity if the sinoatrial pacemaker fails; usually located within the crista terminalis and atrial free wall near the inferior vena cava.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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