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[Effects of myocardial ischemia on 24-hour QT interval variability]
1Department of Cardiology, The Second Affiliated Hospital, Hunan Medical University, Changsha 410011.
Hunan Yi Ke Da Xue Xue Bao = Hunan Yike Daxue Xuebao = Bulletin of Hunan Medical University
|September 6, 2002
Abstract
Objective:
To explore the significance of QT variability in myocardial ischemia.
Methods:
Twenty-four-hour QT interval variability in 37 patients with myocardial ischemia and 42 patients without myocardial ischemia were measured with 24-hour Holter recordings.
Results:
QT interval variability in patients with myocardial ischemia was larger than that in patients without myocardial ischemia.
Conclusion:
Myocardial ischemia can influence QT interval variability.