Heart Rate Recovery (HRR) Index Postpartum Calculator
Heart Rate Recovery (HRR) Index Postpartum: Explanation and Clinical Context The Heart Rate Recovery (HRR) index postpartum is a measure of autonomic cardiovascular function following exercise in postpartum women. HRR is calculated as the difference between peak heart rate during exercise and heart rate measured one minute after cessation of exercise (HRR = HR_peak − HR_1min). A normal HRR at 1 minute postpartum is g