Holter study of heart rate variability in children and adolescents with long QT syndrome.

Anna LundströmHåkan EliassonMarcus KarlssonUrban WiklundAnnika Rydberg

Published in: Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc (2024)

This study shows a correlation between HR and changes in HRV parameters. At higher HRs, LQTS patients generally had lower HRV values than controls, suggesting an abnormal autonomic response. These results may strengthen the link between physical activity and arrhythmias in LQTS.

Keyphrases

heart rate variability
physical activity
heart rate
ejection fraction
end stage renal disease
body mass index
prognostic factors
depressive symptoms
congenital heart disease