Heart Rate Variability: Understanding Its Importance in Monitoring Cardiovascular Health
Heart rate variability (HRV) is a measure of the variation in time between each heartbeat. It is a physiological phenomenon that reflects the balance between the sympathetic and parasympathetic nervous systems. The sympathetic nervous system is responsible for the “fight or flight” response, while the parasympathetic nervous system is responsible for the “rest and digest” […]
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