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Sick sinus syndrome?

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Rajive Goel 22 May 2012

Sick sinus syndrome, also called sinus node dysfunction, is a group of abnormal heart rhythms (arrhythmias) presumably caused by a malfunction of the sinus node, the heart's primary pacemaker. Bradycardia-tachycardia syndrome is a variant of sick sinus syndrome in which slow arrhythmias and fast arrhythmias alternate. In recent years, the syndrome has become increasingly prevalent in dogs. The reason is unknown. free discount card

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