How does the heart work? What does it do? What is it composed of? How do you examine it? This article offers cardiac anatomy and physiology in a nutshell The heart is a complex organ that pumps blood ...

A study led by scientists at King's has revealed how the physical orientation of the heart inside the chest dramatically ...

Scientists are starting to understand more about the small heart muscle fibers that Da Vinci showed in his illustrations over 500 years ago.

Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes aged 50 ...

What is the coronary sinus? Read on to learn more about this important blood vessel in the heart, including its location, function, and role in different heart procedures.

Growing evidence shows that building muscle strength can have benefits for your heart, even leading to better outcomes after a heart attack. Having a higher level of leg muscle strength appears to ...

In MD where both breathing muscles and cardiac muscles are affected, this interdependence can lead to accelerated pathology. Normally, the diaphragm muscle drives about 50% of respiratory force ...

Heart attacks cause both long- and short-term problems. In the short-term, the death of cardiac muscle cells can cause a critical drop in the heart's ability to function.

Heart disease is a leading killer around the world and the top cause of death in the United States. It killed an estimated 17.9 million people in 2019, representing 32% of all deaths globally ...