Why the study?
Does the diurnal variation of QT interval differ between patients with ischemic heart disease and healthy subjects?
Does the diurnal variation of QT interval differ between patients with ischemic heart disease and healthy subjects?
Patients with ischemic heart disease exhibit prolonged QT intervals from night to noon, which may contribute to the occurrence of serious arrhythmias.
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Ohnishi et al. (1985) studied this question.
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