At eight years old, I had my third open-heart surgery — this time, to “tune up” my Fontan and implant my first pacemaker.

You glance at your heart rate monitor during a tough run and an unusually high number jumps out at you. Should you be excited or concerned?

Metoprolol is an effective treatment for the fast heart rate that some people get when they have anxiety, and metoprolol by ...

In a breakthrough for diagnostics, scientists have created an easy and effective test that identifies a heart failure ...

Atrial fibrillation, or A-fib, is the most common type of arrhythmia, affecting at least 2.7 million people in the United States. This number is expected to grow to more than 12 million by 2030, which ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

I just discontinued using metoprolol succinate extended release (ER) at a dosage of 6.25 mg. My heart rate is normally in the ...

The fastest marathoner in the world is completing his last world major in New York this fall. Here’s how he’s preparing.

There are many benefits to including the treadmill in your training routine, as they are a low-impact and versatile workout option that you can enjoy no matter the outdoor conditions. I personally ...

Workout efficiency is a critical factor that influences one's ability to adhere to an exercise routine. Arkansans are busier ...

Tachycardia is the medical term for a heart rate over 100 beats per minute (BPM). It can be a sign of emotional distress or anxiety, anemia (low levels of iron in the blood), infections, dehydration, ...

Sleep deprivation reliably caused attention failures despite their obvious dangers, like the potentially fatal consequences ...