INTRODUCTION
sudden cardiac death
SUDDEN CARDIAC DEATH, ACUTE MYOCARDIAL INFARCTION, AMI, CARDIAC EVENTS, HEART
According to a 2018 poll by the American College of Sports Medicine (ACSM) (American College of Sports Medicine, Cardiovascular episodes evoked by strenuous exertion can be categorized as sudden cardiac death (SCD) or acute myocardial infarction (AMI) (Maron et al., Heart rate variability (HRV) describes the variation in the time between heartbeats and is monitored by the length of two consecutive RR intervals. Heart rate recovery (HRR) and HRV are noninvasive measures that primarily represent autonomic nerve fiber control; parasympathetic nerves have been associated with the rate of recovery of vital signs after cardiac events (Fan et al., 