Beyond the QT interval: how QT/RR hysteresis may reveal a sex-dependent hidden risk for cardiac arrhythmias

Editorial FocusBeyond the QT interval: how QT/RR hysteresis may reveal a sex-dependent hidden risk for cardiac arrhythmiasNile F. Banks, Austin T. Robinson, D. Walter Wray, Kanokwan BunsawatNile F. BanksDepartment of Sport Science and Nutrition, Maynooth University, Maynooth, Ireland, Austin T. RobinsonDepartment of Kinesiology, Indiana University, Bloomington, Indiana, USA, D. Walter WrayDepartment of Internal Medicine, Division of Geriatrics, University of Utah, Salt Lake City, Utah, USAGeriatric Research, Education, and Clinical Center, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, USADepartment of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah, USA, and Kanokwan BunsawatCorresponding Author: Kanokwan Bunsawat, PhD, Veterans Affairs Medical Center, GRECC 182, Building #2, 500 Foothill Drive, Salt Lake City, UT 84148, Email: [email protected] and [email protected]Department of Internal Medicine, Division of Geriatrics, University of Utah, Salt Lake City, Utah, USAGeriatric Research, Education, and Clinical Center, George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, Utah, USADepartment of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah, USADepartment of Health, Sport, and Human Physiology, University of Iowa, Iowa City, Iowa, USAPublished Online:17 Sep 2025https://doi.org/10.1152/ajpheart.00699.2025MoreSections PDF (2 MB) ToolsExport citationAdd to favoritesTrack citations ShareShare onFacebookXLinkedInWeChat Back to Top Next Download PDF FiguresReferencesRelatedInformation More from this issue > Articles in PressPublished 17 Sep 2025 Crossmark Copyright & PermissionsCopyright © 2025 The Authors.Licensed under Creative Commons Attribution CC-BY-NC-ND 4.0. Published by the American Physiological Society.https://doi.org/10.1152/ajpheart.00699.2025PubMed40960945History Received 8 September 2025 Accepted 11 September 2025 Published online 17 September 2025 KeywordsAutonomic nervous systembiological sexcardiac electrophysiologytrigeminal nerve stimulationventricular repolarization Metrics