Community responders often reach cardiac arrest patients quicker than emergency services. Carrying mobile defibrillators would improve people’s survival chances.

When a huge Halloween storm in 1957 caused a citywide blackout in Minneapolis, the power outage proved fatal for a University of Minnesota hospital patient who was dependent on an external device.

The patients who made the biggest news at last week’s meeting of the American Heart Association in Miami were those who can talk about their “tickers” without being cute. They are the growing number, ...

The heart devices do not track location, nor do they transmit across large distances. By Gina Kolata Like an estimated three million Americans, Nancy Guthrie, the 84-year-old mother of the NBC News ...

‘It’s quite a story when you think about it, but not when you’re living it’ Veryl Rosenbaum, a lively resident at Vista Grande in Cortez, was kind enough to share parts of her colorful story, though ...

The new pacemaker holds promise for newborn babies with congenital heart defects. The tiny pacemaker works along with a small wearable patch on the patient's chest. The patch detects irregular ...

The heart may be small, but its rhythm powers life. When something throws that rhythm off—especially after surgery—it can become a race against time to restore balance. For decades, doctors have ...

In a remarkable medical breakthrough, engineers have developed a light-activated pacemaker so tiny that doctors can inject it into the body through a syringe. Remarkably, the device simply dissolves ...

Researchers at Northwestern University just found a way to make a temporary pacemaker that’s controlled by light—and it’s smaller than a grain of rice. A study on the new device, published last week ...

A pacemaker is one of the representative devices in heart treatment. It plays an important role in the treatment of arrhythmias. A pacemaker is a machine that makes the heart beat, right? What kind of ...