Detailed Information on Publication Record
2020
Development of electrocardiographic sex differences during puberty
ANDRŠOVÁ, Irena, Kateřina HNÁTKOVÁ, Kateřina HELÁNOVÁ and Tomáš NOVOTNÝBasic information
Original name
Development of electrocardiographic sex differences during puberty
Authors
ANDRŠOVÁ, Irena (203 Czech Republic, guarantor, belonging to the institution), Kateřina HNÁTKOVÁ (203 Czech Republic), Kateřina HELÁNOVÁ (203 Czech Republic, belonging to the institution) and Tomáš NOVOTNÝ (203 Czech Republic, belonging to the institution)
Edition
1st edition. Neuveden, Sex and Cardiac Electrophysiology: Differences in Cardiac Electrical Disorders Between Men and Women, p. 211-222, 12 pp. 2020
Publisher
Academic Press
Other information
Language
English
Type of outcome
Kapitola resp. kapitoly v odborné knize
Field of Study
30201 Cardiac and Cardiovascular systems
Country of publisher
United Kingdom of Great Britain and Northern Ireland
Confidentiality degree
není předmětem státního či obchodního tajemství
Publication form
printed version "print"
References:
RIV identification code
RIV/00216224:14110/20:00118091
Organization unit
Faculty of Medicine
ISBN
978-0-12-817728-0
Keywords in English
AgeIndividual QT/RR patterns; QT/RR hysteresis; QTc interval; QT/RR slope;Sex differences
Tags
Tags
International impact, Reviewed
Změněno: 2/2/2021 10:08, Mgr. Tereza Miškechová
Abstract
V originále
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