Reproducibility of the ST-segment depression/heart rate analysis of the exercise electrocardiographic test in asymptomatic middle-aged population

The American Journal of Cardiology
R LehtinenJ Malmivuo

Abstract

The reproducibility of the ST-segment depression against heart rate (ST/HR) hysteresis, ST/HR index, and end-exercise ST depression between the repeated exercise electrocardiographic tests were determined in 61 asymptomatic middle-aged subjects. The findings support the clinical utility of the ST/HR hysteresis, but it is noteworthy that the results also suggest that the magnitude of change in the exercise electrocardiographic variables, which has to be observed to make the clinician confident that a real diagnostic change has occurred, is surprisingly large.

References

Oct 1, 1986·Journal of the American College of Cardiology·R DetranoR Friis
Nov 1, 1967·British Heart Journal·L Michaels, R J Cadoret
Jun 1, 1995·Journal of the American College of Cardiology·P M Okin, P Kligfield
Jun 1, 1996·Computer Methods and Programs in Biomedicine·R LehtinenJ Malmivuo

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