People who drink regularly, especially heavy drinkers, may be more likely than teetotalers to suffer atrial fibrillation, a type of abnormal heart rhythm, according to a research review.

Only about 100 people have received a "beating heart" transplant, an experimental operation that's mostly been done in Europe. The donor heart is placed into a special box that feeds it blood and keeps it warm and ticking outside the body.

Some people who couldn't get their blood pressure under control despite taking a fistful of pills every day found relief from an experimental treatment that shows promise as a permanent fix for the condition.

People with mild heart failure lived longer and fared better by adding Pfizer's drug Inspra to standard medications, a finding that could widely expand use of such drugs in healthier patients, researchers said on Sunday.

New guidelines out Monday switch up the steps for CPR, telling rescuers to start with hard, fast chest presses before giving mouth-to-mouth.

Heart pumps give hope to heart failure patients, but can raise troubling ethical issues.

So stressed out you feel like pulling out your hair?  Save a few strands for the doctor. It could end up saving your life.

As medical procedures go, cooling therapy is simple: Chill the patient about six degrees Fahrenheit ? using cold intravenous saline, cooling blankets or ice packs ? and wait 24 hours; then re-warm the patient slowly. But it's having lifesaving effects.