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Sick Sinus Syndrome is a group of heart rhythm disorders caused by dysfunction of the sinus node, the heart’s natural pacemaker located in the right atrium. The sinus node is responsible for generating electrical signals that control the heartbeat. When it malfunctions, the heart may beat too slowly (bradycardia), too quickly (tachycardia), or alternate between both patterns, leading to irregular rhythms.

This condition is most commonly seen in older adults due to age-related degeneration of heart tissue, but it can also result from heart disease, medications, or previous heart surgery. Common symptoms include fatigue, dizziness, fainting, shortness of breath, chest discomfort, and palpitations. In some cases, symptoms may be mild or absent, making diagnosis more challenging.

Doctors diagnose Sick Sinus Syndrome using tests such as an Electrocardiogram (ECG), Holter monitor, or event monitoring to detect abnormal heart rhythms. Treatment depends on severity and may involve adjusting medications or implanting a Pacemaker to regulate heartbeat. Early diagnosis and proper treatment can significantly improve symptoms, prevent complications, and enhance overall quality of life for affected individuals.