Cirkadiánní kolísání hodnot QT intervalu pacientů se syndromem dlouhého QT

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Title in English Circadian variations of QT interval values in patients with long QT syndrome
Authors

ŠIŠÁKOVÁ Martina NOVOTNÝ Tomáš VOJTÍŠKOVÁ Marie SEMRÁD Bořivoj KADLECOVÁ J. GAILLYOVÁ Renata VLAŠÍNOVÁ Jitka

Year of publication 2000
Type Article in Proceedings
Conference Sborník abstrakt č. 5
MU Faculty or unit

Faculty of Medicine

Citation
Field Cardiovascular diseases incl. cardiosurgery
Description Sympathetic activity is increased in morning hours due to circadian rhythms. In long QT patients with KCNQ1 gene mutations QT interval is prolonged by adrenergic stimulation. In 5 individuals with KCNQ1 gene mutations a 24-hour Holter ECG recordings were obtained. QT interval variations were analyzed. No proposed morning QT interval value excessive prolongations were found.
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