Light exposure at night may disrupt our body's internal clocks, or circadian rhythms, that keep physiological processes ...

These are called Holter monitors and they are essentially ambulatory ECG devices that monitor the heart. Such monitors can ...

Rhythm control drugs carry risks and require that your heart be monitored closely. It may also take at least a year for them to fully work. But they can be very effective.

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure and even ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one ...

Nearly 14 million Americans live with arrhythmias. Learn to identify the warning signs of these common heart rhythm disorders and the breakthrough treatments offering 94% success rates.

Both of these tests are used to gather more information about how your heart is acting. For a Holter test, you'll wear a small device, usually for a day or two. It keeps track of your heart's rhythms.

Heart attack survival odds have dramatically improved over the past 5 decades, but more people are dying from chronic cardiac ...

On growing a new heart from stem cells. It’s possible, certainly, to grow cardiac muscle cells from stem cells to turn them into cardiac muscle cells. … Not only can we make stem cells into cardiac ...

You may be able to lower your risk for developing heart rhythm abnormalities by speeding up your walking pace. That’s according to a large new study published Tuesday in the journal Heart, which ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person's risk of stroke, heart failure and even premature death. While many risk factors contribute to A-fib, one ...