Heart Rate Variability (HRV) is the variation in time between heartbeats, and a lower HRV is often linked to chronic stress and higher cardiovascular risk. ECG-derived HRV measurements help clinicians see how well the heart adapts to stress. Lower HRV may indicate poorer autonomic control and higher risk of arrhythmias or heart disease. This article explains HRV in simple terms and wh... https://sunfox.in/blogs/the-link-between-stress-and-heart-problems/