Sick Sinus Syndrome

Synonyms

Dysfunction, Sinus Node

Dysfunctions, Sinus Node

Sick Sinus Node Syndrome

Sinus Node Disease

Sinus Node Diseases

Sinus Node Dysfunction

Syndrome, Sick Sinus

A condition caused by dysfunctions related to the SINOATRIAL NODE including impulse generation (CARDIAC SINUS ARREST) and impulse conduction (SINOATRIAL EXIT BLOCK). It is characterized by persistent BRADYCARDIA, chronic ATRIAL FIBRILLATION, and failure to resume sinus rhythm following CARDIOVERSION. This syndrome can be congenital or acquired, particularly after surgical correction for heart defects.