Atrial fibrillation (A-fib) is one of the most common heart rhythm disorders. Doctors are always looking for better ways to treat this common affliction, and edoxaban may be a promising alternative.

Therapies that are successful in wiping out childhood leukemia can impact the health of survivors years down the road. New research found that heart problems can begin to appear in survivors even during childhood.

When a valve in the heart isn’t working efficiently, surgery may be necessary. There may be an advantage to replacing the valve rather than just repairing it, but not a very big one.

When you drink a cup of coffee in the morning, you're not only waking up your mind, but your small blood vessels too.

Lowering a person’s body temperature after his or her heart stops takes time. Getting a head start in the ambulance may help get things going, but it may not change much else.

Every year, thousands of people have heart valve replacement surgery. Over the past decade, more and more people have been living better after these surgeries.

When someone’s heart stops, cardiopulmonary resuscitation (CPR) may save his or her life. Both CPR machines and people can perform CPR to help keep the heart pumping.

High blood pressure can harm the vessels supplying blood to the retina. Small vessel changes in the eye — as well as the kidneys — may also signal increased likelihood of abnormal heart rhythm.

People don't have to be medical professionals to help someone having a heart attack. To make a difference, though, non-medical bystanders must be trained in how to take fast emergency action.

Modern medicine has come a long way in reducing the number of women who die while pregnant or because of pregnancy. But women need to do their part too.