A new multicenter trial has used a new ablation technique for patients with ventricular tachycardia, an abnormally rapid heart rhythm that is a leading cause of sudden cardiac death worldwide. A first ...

Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes age 50 or older, potentially increasing their risk of sudden cardiac ...

SUDDEN death in persons with artificial pacemakers is a continuing and disturbing problem. Causes include pacemaker-catheter displacement, electric-component failure, broken wires and rising pacing ...

The human heart beats approximately 100,000 times daily, pumping over 2,000 gallons of blood through a 60,000 mile network of vessels. This remarkable feat relies on a precise electrical system ...

A team at Massachusetts General Hospital uncovered that an immune defense protein, Resistin-like molecule gamma, attacks ...

Heart attacks trigger a cascade of reactions in the body, and certain immune cells may worsen the damage by disrupting heart ...

An important and unresolved issue is optimal application of ATP in different ICD patient populations. In general, secondary prevention patients have a greater frequency of spontaneous ventricular ...

Dr. Naccarelli answers the question: 'What Is Flecainide, How Does It Work?' — -- Question: I have been placed on an antiarrhythmic drug called flecainide for my heart rhythm problem. How does it ...

Breathing in tiny particles of air pollution may trigger irregular heart rhythms in otherwise healthy teenagers and increase their risk of sudden cardiac death, a new study has found. The study, ...