Seasonal variations in ventricular repolarization and tachyarrhythmias in hibernating brown bears (Ursus arctos arctos)

Abstract In humans, hypothermia prolongs ventricular repolarization and associates with sustained ventricular tachyarrhythmias. In bears, body temperature drops during hibernation similar to moderate human hypothermia, yet they rarely face fatal outcomes during the winter. This suggests protective a...

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Bibliographic Details
Published in:Physiological Reports
Main Authors: Lucas Alexander Lindberg, Boris Fuchs, Alina Lynn Evans, Timothy Laske, Anna Björkenheim, Ole Fröbert, Lisa Amalie Gottlieb
Format: Article
Language:English
Published: Wiley 2025-09-01
Subjects:
brown bear
electrocardiography
electrophysiology
hibernation
QT interval
ventricular tachyarrhythmias
Online Access:https://doi.org/10.14814/phy2.70531

Internet

https://doi.org/10.14814/phy2.70531

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