Clinically significant incidental QTc prolongation is subject to within-individual variability.
Itai GuetaRobert KlempfnerNoa MarkovitsHillel HalkinShlomo SegevDavid RottYael PeledRonen LoebsteinPublished in: Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc (2019)
In clinical practice, significant prolonged QTc may be attributed to within-individual variability, particularly when adjusting the QT interval with Bazett correction. This should be taken into consideration when decisions on changing current drug regimens are to be made.