Sick sinus syndrome (SSS) is a cardiac conduction disorder characterized by symptomatic dysfunction of the sinoatrial (SA) node.
病窦综合征（SSS）是以窦房结症状性功能失调为特征的心脏传导障碍。
Sick sinus syndrome (SSS) is a cardiac conduction disorder characterized by symptomatic dysfunction of the sinoatrial (SA) node.
病窦综合征（SSS）是以窦房结症状性功能失调为特征的心脏传导障碍。
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