Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands ...

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

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 ...

Heart failure is the end-stage of many heart diseases, including and most commonly, heart attack (myocardial infarction). Acute myocardial infarction (MI) causes inflammation and scarring (fibrosis) ...

Lower cardiac output has been tied to poorer cerebral blood flow (CBF) in the temporal lobes of older adults without heart failure, a finding that adds to a growing body of research linking heart ...

The procedure used to treat arrhythmias typically allows for a short recovery time, but precautions are necessary to preserve healthy heart function. Heart ablation creates little scars on heart ...