What is the role of the heart rate recovery index in the workup of sarcoidosis?

Updated: Sep 15, 2020
  • Author: Nader Kamangar, MD, FACP, FCCP, FCCM; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Attenuated heart rate recovery after exercise is thought to be a marker of reduced parasympathetic activity. Impaired heart rate recovery during the first minute following exercise has been shown to be an independent predictor for cardiovascular and all-cause mortality. [1, 52] Considering its prognostic significance, the heart rate recovery index may have clinical use in identifying patients with sarcoidosis who are at high risk for ventricular arrhythmias and sudden death. [2]

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