You may have heard of two little devices that doctors use to help treat heart problems: pacemakers and ICDs (implantable cardioverter defibrillators). They use them when you have a type of heart ...

Editor's Note: This post originally appeared at drjohnm.org. The purpose of this post is to clarify important issues about cardiac devices as they relate to deactivation. As I wrote yesterday, Paula ...

An electromagnetic therapy for depression shouldn't damage a person's pre-existing implantable cardioverter-defibrillator (ICD), multiple experiments indicated. There was a low risk of ICD damage or ...

If you have hypertrophic cardiomyopathy (HCM), and especially if you have obstructive HCM that reduces blood flow out of your heart, you and your doctor may discuss ways to lower your risk of sudden ...

Defibrillators use electrical shocks to restore a normal heart rate, especially in cases of life threatening arrhythmias or sudden cardiac arrest, while pacemakers use low-energy electrical pulses to ...

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 ...