Population
156 subjects, including 70 normal subjects, 49 patients with acute myocardial infarction, and 37 patients…
Comparison
Automatic measurement of QT, QT peak, and TpTe… vs Comparison among normal subjects, acute…
Design
Cross-sectional
Authors
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Automated QT/QTp measurements are reliable for clinical ECG use; leaves open the validity of dispersion indices for risk stratification.
Automatic measurement of QT, QTp, and TpTe intervals is highly reliable, but the reproducibility of repeated measurements of their dispersion is comparatively low across normal subjects and patients with cardiac disease.
SAVELIEVA et al. (1998) studied this question.
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