If you're scheduled to have an electrocardiogram (EKG), you may wonder what to expect. Here, we break down what you need to know about an EKG test, including: What is an EKG? What does an EKG show?

On World Heart Day 2025, learn how chest pain is evaluated to detect heart attacks. Our expert explains the accuracy and ...

A new algorithm developed by researchers at the Mayo Clinic can effectively detect patients with a dangerous heart dysfunction using data gathered by an Apple Watch. A large trial is now underway ...

WAUKESHA, Wis. - Hundreds of young people lined up in Waukesha on Tuesday, Aug. 13 for a potentially life-saving test. 21-year-old Abby Fregien describes herself as an active athlete. But do not be ...

WAUKESHA, Wis. - A Waukesha family hopes to raise awareness for electrocardiogram (EKG) screenings, a mass screening event Tuesday the largest ever in Wisconsin. The Lermer family lost their son, Kai, ...

An electrocardiogram (ECG) is a common heart health test, but a normal result doesn't guarantee a healthy heart. The electrical system is measured by ...

WAUKESHA, Wis. (CBS 58) -- Kai Lermer was your standout high school student. A three-sport athlete, Kai was an honor student at Waukesha North High School. "He was an influencer," his dad, Mike Lermer ...

MIAMI — About 23,000 children and teens in the United States experience a sudden cardiac arrest each year. Many of them do not survive. To reverse that growing number, a hospital in South Florida is ...