Why the study?
Does heart rate adjustment of ST segment depression (delta ST/HR index and rate-recovery loop) improve prediction of new CHD events compared to standard electrocardiographic criteria in asymptomatic individuals?
Does heart rate adjustment of ST segment depression (delta ST/HR index and rate-recovery loop) improve prediction of new CHD events compared to standard electrocardiographic criteria in asymptomatic individuals?
Heart rate adjustment of ST segment depression during exercise ECG significantly improves the prediction of future coronary events in asymptomatic individuals compared to standard ST depression criteria.
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Adjusted criteria may aid asymptomatic risk stratification; leaves open prospective validation before practice change.
Okin et al. (1991) studied this question.
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