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@inbook{1737277,
author = {Andršová, Irena and Hnátková, Kateřina and Helánová, Kateřina and Novotný, Tomáš},
address = {Neuveden},
booktitle = {Sex and Cardiac Electrophysiology: Differences in Cardiac Electrical Disorders Between Men and Women},
doi = {http://dx.doi.org/10.1016/B978-0-12-817728-0.00018-8},
edition = {1st edition},
editor = {Marek Malík},
keywords = {AgeIndividual QT/RR patterns; QT/RR hysteresis; QTc interval; QT/RR slope;Sex differences},
howpublished = {tištěná verze "print"},
language = {eng},
location = {Neuveden},
isbn = {978-0-12-817728-0},
pages = {211-222},
publisher = {Academic Press},
title = {Development of electrocardiographic sex differences during puberty},
url = {https://www.sciencedirect.com/science/article/pii/B9780128177280000188},
year = {2020}
}
TY - CHAP
ID - 1737277
AU - Andršová, Irena - Hnátková, Kateřina - Helánová, Kateřina - Novotný, Tomáš
PY - 2020
TI - Development of electrocardiographic sex differences during puberty
VL - Neuveden
PB - Academic Press
CY - Neuveden
SN - 9780128177280
KW - AgeIndividual QT/RR patterns
KW - QT/RR hysteresis
KW - QTc interval
KW - QT/RR slope;Sex differences
UR - https://www.sciencedirect.com/science/article/pii/B9780128177280000188
L2 - https://www.sciencedirect.com/science/article/pii/B9780128177280000188
N2 - This chapter summarizes knowledge about the sex differences of electrocardiogram (ECG) in children and adolescents. The most important part is cardiac repolarization expressed as QT interval on surface QCG. It is well known, that QT interval duration is the same in both sexes in preadolescent children. The QT interval changes during adolescence and finally is longer in females. Until recently only resting QT interval was analysed in few studies in childhood. In this chapter we are presenting investigation of children and adolescents using continuous ECG recordings during postural provocation to obtain individual-specific QT/RR profiles over broad heart rate ranges. We observed QTc prolongation of 0,7 ms per year in females on the contrary to shortening of 0,64 s per year in males. The analyses suggest that hormonal changes are likely causing QTc shortening in adolescent males but are unlikely the principal cause of QTc prolongation in females
ER -
ANDRŠOVÁ, Irena, Kateřina HNÁTKOVÁ, Kateřina HELÁNOVÁ and Tomáš NOVOTNÝ. Development of electrocardiographic sex differences during puberty. In Marek Malík. \textit{Sex and Cardiac Electrophysiology: Differences in Cardiac Electrical Disorders Between Men and Women}. 1st edition. Neuveden: Academic Press, 2020, p.~211-222. ISBN~978-0-12-817728-0. Available from: https://dx.doi.org/10.1016/B978-0-12-817728-0.00018-8.
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