ICD-11 definition : 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.;
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.