Cardiac arrest, which often leads to a heart attack, is frighteningly common: every minute of every day there is another victim, according to the American Red Cross. Almost 80% of cardiac arrests ...

Nanostim, pictured next to a dime, is inserted into a patient through the femoral artery in the groin. Some doctors say a new pacemaker about the size of a triple-A battery could be revolutionary.

In the normal heart, the lower chambers (ventricles) pump at the same time and in sync with the heart's upper chambers (atria). Cardiac resynchronization therapy (CRT), also called biventricular ...

A pacemaker is a small electronic device that helps keep the heart beating regularly. It can represent a life-changing treatment for heart conditions such as arrhythmias. It is generally not too ...

February is American Heart Month, a time to shine a light on cardiovascular health, especially for women and communities of color. According to the Dallas-based American Heart Association, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. HIGHLANDS RANCH, Colo. (KDVR) — Mackenzie ...

A pacemaker can help your heart maintain a consistent rhythm. The procedure to insert a pacemaker typically involves a doctor making an incision in the skin that creates a “pocket” where the pacemaker ...