病态窦房结综合征(Sick Sinus Syndrome)系指窦房结起博功能不足及/或窦房结内形成的冲动向心房传导发生障碍所引起的临床征候群,自Lown首次提出病态窦房结综合征(以下简称SSS)的概念之后,长期以来因其认识与理解仍不一致,故名称也不统一,如窦房结功能衰竭、怠 Sick Sinus Syndrome refers to a group of clinical signs caused by inadequate echogenicity of the sino-atrial node and / or impaired antrial conduction induced by the formation of the sinoatrial node. Since Lown first proposed sick sinus node Syndrome (hereinafter referred to as SSS) concept, its long-standing understanding and understanding is still inconsistent, so the name is not uniform, such as sinus node failure, lazy