Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...

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 sudden ...

A nuclear stress test helps to assess your risk of a severe cardiac event. Depending on your health, a doctor may ask you to take a treadmill test or a chemical test, which uses medications to ...

Failing a stress test occurs when you can’t complete it due to exhaustion or other factors. Abnormal results may indicate an underlying condition, such as coronary artery disease or a blockage. A ...

A new study has demonstrated that a virtual reality game can successfully teach people a breathing technique to regulate ...

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...

A higher DHRPS score means that the heart is working harder to extract oxygen from blood and support a person's activity ...