Sick sinus node syndrome

Sick sinus node syndrome, sick sinus syndrome, or sick sinus, also known as sinus node dysfunction. It is a combination of arrhythmia and multiple symptoms due to organic lesions of the sinoatrial node or its surrounding tissues (also including the atrium, atrioventricular junction area, etc.), which leads to the impulse formation of the sinoatrial node and impulse-outgoing disorders Symptoms. Mainly to sinus bradycardia, sinoatrial block, sinus arrest, bradycardia-tachycardia syndrome occurs when recurrent episodes of tachyarrhythmia are combined. Symptoms are mostly seen in people over 40 years of age.