The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

Medically reviewed by Rafle Fernandez, MD Tachycardia is a rapid heart rate that beats faster than 100 beats per minute for any reason. It can occur as a result of many acute and chronic conditions.

Heart palpitations can be a racing, pounding, ... Why Is My Heart Beating So Fast? Call 801-585-7676 . Refer a Patient . ... You may notice these feelings in your chest, neck, or throat. Many people ...

WebMD explains what causes bigeminy, a type of heart arrhythmia, and how it can be treated. Skip to main content . ... Others describe PVCs as their heart working too hard or beating too fast.

But maybe if we look at the heart the way my friend did, we can master it. Heart muscle. The heart has unique muscle fibers, which will keep the human heart beating more than 2.5 billion times.

For example, the tiny heart model is critical for studying the human organ’s physiology (the hearts of small animal models such as mice differ too much from those of humans).

“Our brains and heart are connected via the autonomic nervous system and any emotion or excitement can produce a skipped beat or multiple fast beats in a row,” Saouma explained.

A soft robotic sleeve made of silicone could help a human heart keep beating, according to a new report published Wednesday. ... Did 'The Last of Us' Season 2, episode 6 break your heart? Us too.

The end result is a beating, pumping model of a real heart. “When we have that model, you can poke it and prod it and see under what circumstances stuff will happen,” says Trayanova.