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- W2388194147 abstract "The purpose of study is to investigate the value and the application foreground of execise treadmill test (ETT) and QT dispersion (QTd) to reflect coronary artery disease.Compared with coronary angiography,the results of ETT and QTd (when ST segmand decreases to maximum or the heart rate achieved maximum in ETT) were analyzed in 83 patients who were diagnosed or doubted coronary heart disease (CHD) in clinic.Results:① The sensitivity of ETT was 71.7%,and that of QTd was 79.2%,and that of series double compound test was 56.6%;The specificities of those were 70%,80% and 96.7%;The positive predictions of those were 80.9%,87.5% and 96.8%;The nagative predictions of those were 58.3%,68.6% and 55.8%.②The sensitivitise of ETT and QTd depend on subjects,the number and the site of coronary disease.The sensitivity of QTd was greater than that of ETT in diagnosing the univessel (The sensitivity of QTd was 71.4%.but that of ETT was 57.1%),trivessel (The sensitiviey of QTd was 100%,but that of ETT was 90%) and left anterior descending artery (The sensitivity of QTd was 92.3% ,but that of ETT was 76.9%) disease.But those had not statistcs significance.Conclusion:To diagnose CHD the sensitivity and positive prediction were more significant when using both tests at the same time than when using single test." @default.
- W2388194147 created "2016-06-24" @default.
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- W2388194147 date "2002-01-01" @default.
- W2388194147 modified "2023-09-25" @default.
- W2388194147 title "The Research of Exercise Treadmill Test and QT Dispersion on Diagnosing Coronary Heart Disease." @default.
- W2388194147 hasPublicationYear "2002" @default.
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