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sick sinus syndrome

 

Definition: symptoms ranging from dizziness to unconsciousness due to chaotic or absent atrial activity often with bradycardia alternating with tachycardia, recurring ectopic beats including escape beats, runs of supraventricular and ventricular arrhythmias, sinus arrest, and sinoatrial block.

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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