Abstract
Abstract: Sick sinus syndrome (SSS) a cardiac conduction disorder characterized by the symptomatic dysfunction of sinoatrial node. The sinus node is normal pacemaker of the heart and is responsible for the regular, rhythmic, heartbeat. Sick sinus syndrome affects about 3 out of every 10000 persons, and becomes more common with advancing age. The symptoms of the sick sinus syndrome include palpitations, fainting or dizziness, fatigue, weakness, confusion, chest pain, and disturbed sleep. Women and men are affected equally. As the age increases the number of pacemaker cells in the sinus node decreases and the normal wear and tear on the sinus node and the conduction system may result in SSS. The diagnosis is done by ECG, Holter monitor. In ECG SSS usually manifests as sinus bradycardia, sinus arrest, or sinoatrial block, and sometimes accompanied by supraventricular tachy arrthymias. The treatments of SSS include implantation of artificial pacemaker.
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