Stress testing may be done for several reasons, but the most common is to determine whether there are blockages in the ...

“The stress test is done to evaluate for symptoms of possible coronary artery disease or to evaluate the functional capacity and ability to raise your heart rate or rhythm,” explains Dr ...

So why does so much fitness tech check your pulse? Because your resting heart rate can say a significant amount about your health, including when it might be time to seek immediate medical care. What ...

Heart rate variability is not just a metric on a wearable. It’s a driver of the nervous system and a usable signal for relaxation and resilience.

A surprising lead that could help us better understand physiological responses to stress. When the body faces a stressful situation, its heart rate and blood pressure noticeably increase. This ...

I had a comment about your recent column on nuclear stress tests. As an 87-year-old person who has experienced atrial ...

It’s been known for decades that heart rate variability (HRV) during labor signals how a fetus is responding to stress. Lower HRV—a lower variation in heartbeats—is even a risk factor for ...