Sinus node dysfunction in children, adolescents, and young adults

SM Yabek, JM Jarmakani - Pediatrics, 1978 - publications.aap.org
Thirty children and young adults with electrocardiographic and clinical evidence of sinus
node dysfunction (SND) are described. Ages ranged from 3 days to 25 years. Of these, 10
patients had inappropriate sinus bradycardia, 16 had periods of sinus arrest, and 9 had
sinoatrial exit block. A total of 22 patients had significant heart disease and SND developed
in 13 after cardiac surgery. Eight patients with SND had no obvious heart disease. Seven
patients were symptomatic, having either syncopal (three) or nearsyncopal episodes (four) …