Sick sinus syndrome (SSS) is a grave medical condition that can precipitate sudden death ... In the context of cardiac physiology, sinoatrial node cells, functioning as the heart's natural pacemaker, ...

Pacemaker implantation reasonable Congenital ... or associated symptoms due to chronotropic incompetence. Asymptomatic sinus bradycardia in child with complex CHD, with resting HR <40 beats ...

Pacemakers are typically recommended for patients with certain heart conditions, including: Bradycardia: Abnormally slow heart rate. Heart block: Delayed or interrupted electrical signals between the ...

Male skiers, especially those performing at a higher level, exhibited a higher incidence of bradycardia and pacemaker implantations compared to nonskiers; however, this association was not observed in ...