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of repolarization provided the development of ventricular tachyarrhythmia. The aims of the present study are to evaluate the influence of exercise ‐ induced myocardial perfusion abnormalities on QT dispersion ...
. All patients underwent exercise stress test with modified Bruce protocol, and QT interval parameters were measured at rest and at minute 2 of the recovery (rec-2) period. QT dispersion at rest was found ...
Background: Although prolongation of the QT intervals in acute ischemic conditions, such as acute myocardial infarction, intracoronary balloon inflation, and exercise induced ischemia , has been shown ...
Background: Episodes of stress‐ induced myocardial ischemia in patients with coronary artery disease (CAD) may cause increases of QT dispersion (QTd). Hypothesis: Aim of this study was to analyze ...
in women. Circulation 1997 ; 96 : 904 –10. 47 Roukema G, Singh JP, Meijs M, Carvalho C, Hart G. Effect of exercise ‐ induced ischemia on QT interval dispersion [see comments]. Am Heart J 1998 ; 135 : 88 –92 ...
electrocardiogram in patients with acute myocardial infarction and in normal subjects. Am J Cardiol . 1994 ; 74 : 1113 –1118 2 Perkiomaki J , Koistinen MJ, Yli-Mayry S, Huikuri H. Dispersion of the QT interval ...
50. Demolis JL, Funck-Brentano C, Ropers J, Ghadanfar M, Nichols DJ, Jaillon P. Influence of dofetilide on QT - interval duration and dispersion at various heart rates during exercise in humans ...
–adrenal axis seem to play a role in the development of CVD.1,4 The effect of autonomic imbalance on the heart is commonly estimated by QT dispersion (QTD) values and heart rate variability analyses.5,6 Both ...
cardiac death in a variety of clinical conditions [14–16]. Moreover, QT interval has been shown to exhibit a certain degree of interlead spatial variability ( dispersion ) which may be considered to represent ...
slabs the QTp interval reflects epicardial APD and the QT interval M cells APD. Their difference, i.e. TpTe, reflects the transmural dispersion in APD and thus the transmural heterogeneity ...
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