Deceleration capacity of heart rate as a predictor of mortality after myocardial infarction: cohort study.

Abstract

BACKGROUND Decreased vagal activity after myocardial infarction results in reduced heart-rate variability and increased risk of death. To distinguish between vagal and sympathetic factors that affect heart-rate variability, we used a signal-processing algorithm to separately characterise deceleration and acceleration of heart rate. We postulated that… (More)

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