When the left ventricle of a patient's heart struggles, it may stay filled with blood instead of pumping it out to the rest of the body. This may increase the risk of developing heart failure.

Atrial fibrillation, a common heart arrhythmia, is generally treated with a standard drug warfarin. However, a study suggests a new drug might provide the same treatment, but with a lower risk of stroke and embolism.

Eating right and exercising are essential elements in maintaining heart health, but achieving that is sometimes difficult. Do low fat diets or foods with cholesterol lowering properties work best?

The technology already exists to send electrocardiogram (ECG) images via smart phone from a rural community to a hospital, potentially thousands of miles away. But errors still happen.

Patients that develop a dangerous heart valve infection may be difficult to diagnose. It requires lengthy treatment and can even be deadly if not detected early.

Doctors are always looking for new ways to predict heart attacks and strokes -- especially among patients with normal cholesterol levels who may not appear to be at risk.

Surgically inserting a stent to aid blood flow is an accepted practice for adults. It hasn't been considered a safe option for children under 15 months. New research suggests it is feasible and can be performed safely.

Exercise and low salt diet are known to be good for heart health, but there may be more than just benefits for the heart. Brain health is just as important as heart health.

Traditional heart CT scans have provided helpful information. However, a newer version of the scan is more accurate, faster and exposes patients to only a tenth of the unusual radiation.

Heart attack patients with blocked arteries need treatment within 90 minutes. A new study shows that most are receiving it in the recommended amount of time as compared to five years ago.