The blood circulates around the body 24 hours a day 7 days a week. Heart of a normal person has a regular rhythm, which allows enough oxygen and nutrients to reach all organs. In some individuals, ...

Eighty-six cardiology and electrophysiology codes — spanning catheter ablations, coronary revascularization procedures, electrophysiologic evaluations, heart failure management techniques and ...

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 ...

Multicenter randomized trial (n=200) assigned LBBP versus BiVP for CRT in LBBB with LVEF ≤35%, using time to death or HF hospitalization as primary endpoint. Event rates favored LBBP, reducing death ...

Keith Krehbiel has broken more ribs than he can count — from bike crashes to falls during pickleball matches. Another time, he climbed up the stairwell in his home and blacked out just as he reached ...

An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother Nathan Congleton/NBCU Photo Bank/NBCUniversal via Getty The Bluetooth ...

As the search for Nancy Guthrie stretches into its third week, investigators are turning their attention to a half-dollar-sized device they hope could lead to a breakthrough in the case: the ...

The Pima County Sheriff's Department previously highlighted the significance of Nancy’s pacemaker in the investigation, revealing additional details about its role in an approximate timeline of her ...

Emily Mae Czachor is a reporter and news editor at CBSNews.com. She typically covers breaking news, extreme weather and climate. Emily Mae previously wrote for outlets like the Los Angeles Times, ...

The search for Nancy Guthrie is in its eighth day, and investigators are still working around the clock to find her—and to find the person (or persons) behind her disappearance. Authorities believe ...

Data from Nancy Guthrie's pacemaker has helped shed light on the events leading up to her kidnapping, but there are significant limits in how much data the devices can collect. Most importantly for ...