The Silent Signals: How Your Wearable Became a Crystal Ball for Health For too long, healthcare has reacted to problems after they arise. A patient feels unwell, books an appointment,…
Tag: Heart Rate Variability
Heart rate variability (HRV) is the physiological measurement of the variation in time intervals between consecutive heartbeats, reflecting the balance between the sympathetic and parasympathetic branches of the autonomic nervous system (ANS). HRV serves as a non-invasive biomarker of cardiac autonomic function, cardiovascular health, and overall physiological resilience.