ICD-11 classes
11 Diseases of the circulatory system
Cardiac arrhythmia
Supraventricular rhythm disturbance
BC80 — Supraventricular bradyarrhythmia
BC80.2 — Sinus node dysfunction
BC80.20 — Sick sinus syndrome

ICD-11 BC80.20 — Sick sinus syndrome

Sick sinus syndrome may be defined as inappropriate sinus rates (either resting bradycardia or chronotropic incompetence) which may be associated with episodes of atrial tachycardia.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.