(HealthDay)—Fainting isn't fun. For those who have ever suddenly and briefly lost consciousness, it's a disconcerting situation that typically triggers a thorough medical workup. Unfortunately, it's ...

An associate professor of medicine and cardiology at Mount Sinai, Dr. Marie-Noelle Langan specializes in treating electrical malfunctions of the heart. October is Sudden Cardiac Arrest Awareness Month ...

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 ...

Pacemakers and defibrillators are devices that sit under the skin, in the chest area near a patient's heart. They help with controlling abnormal heart rhythms. A pacemaker can treat an abnormally slow ...