Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

Feel free to cry over a pint of ice cream — but it’s not what’s going to mend your broken heart. Takotsubo cardiomyopathy — commonly known as broken heart syndrome — is a very real condition that is ...

Arteries are the primary blood vessels responsible for transporting oxygen-rich blood from the heart to every organ and tissue in the body. This circulation is essential because oxygen fuels cellular ...

A heart perfusion imaging scan, or myocardial perfusion scan, is a test that tells doctors how well a person’s heart pumps blood. Doctors may use this test when diagnosing the cause of chest pain or ...

New research from Karolinska Institutet and Columbia University shows that the heart has a mini-brain – its own nervous system that controls the heartbeat. A better understanding of this system, which ...