Yuka Takeuchi   Yumi Omeki   Kayo Horio   Miki Nishio   Rina Nagata   Shota Oikawa   Yuri Mizutani   Arisa Nagatani   Yuri Funamoto   Hidetoshi Uchida   Masayuki Fujino   Yoshihiko Eryu   Hiroko Boda   Masafumi Miyata   Tadayoshi Hata   
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc 22(4) 2017年7月
BACKGROUND: The QT variability index (QTVI) is a noninvasive index of repolarization lability that has been applied to subjects with cardiovascular disease. QTVI provides a ratio of normalized QT variability to normalized heart rate variability, a...