A 76-year-old woman with known ischemic cardiomyopathy, a left ventricular ejection fraction of 25%, and a previously inserted pacemaker presents to her cardiologist concerned that there is a problem ...

With heart failure, the heart becomes enlarged and its electrical systems become stretched. This interferes with how the parts of the heart coordinate to contract and pump blood, making it inefficient ...

A biventricular pacemaker is a device that can help the heart beat more efficiently when a person has heart failure or an irregular heartbeat. When a person has heart failure or an irregular heartbeat ...

In 1992, an episode of the iconic TV show Law & Order aired a storyline that now feels eerily prescient. The episode revolved around a teenage boy who dies due to a faulty pacemaker. As detectives dig ...

Boston Scientific announced multiple recalls but has said its battery issues were limited. One internal test in 2025 found batteries with an “extremely high failure rate.” Credit...Illustration by Mel ...