Why the study?
Does a delayed decrease in heart rate after graded exercise predict overall mortality?
Does a delayed decrease in heart rate after graded exercise predict overall mortality?
Heart-rate recovery immediately after exercise is a powerful, independent predictor of overall mortality.
May refine post-exercise mortality risk stratification; leaves open whether it should guide interventions.
A delayed decrease in the heart rate during the first minute after graded exercise, which may be a reflection of decreased vagal activity, is a powerful predictor of overall mortality, independent of workload, the presence or absence of myocardial perfusion defects, and changes in heart rate during exercise.
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Cole et al. (1999) studied this question.
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