Sinus node dysfunction in children: different aetiologies, similar clinical course in two-centre experience.

Aim: This study aims to evaluate the clinical characteristics and outcomes of children diagnosed with sinus node dysfunction.

Methods: This was a retrospective review of patients diagnosed with sinus node dysfunction in two tertiary paediatric cardiology centres in Turkey from January 2011 to June 2022.

Results: In all, 77 patients (50, 64.