Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...

At an electrophysiology meeting one would expect a lot of interest in the high-tech and cutting edge. Yet one constant I find at European meetings is the popularity of sports cardiology, a decidedly ...

With heart rate monitors now standard in smartwatches and fitness trackers, electrocardiograms (ECG/EKG) have rapidly become a common feature in health wearables. The technology aims to assist ...

An electrocardiogram or EKG is a noninvasive, painless test used to monitor your heart. The EKG records the electrical impulses given off by each heart beat. The impulse is normally generated from ...

An electrocardiogram and echocardiogram (echo) are both noninvasive imaging tests that look at the functioning of your heart and can help identify heart disease. An electrocardiogram (EKG or ECG) and ...

Many patients (and perhaps physicians) are confused as to how best to utilize personal ECG devices. I received this question illustrating such confusion from a reader recently: "I first came across ...

Depending on how the heart’s electrical activity appears on an EKG, a doctor may diagnose coarse or fine ventricular fibrillation (VF). Coarse VF appears as larger waves on an EKG compared with the ...

Apple Watch Series 4 has two FDA-cleared heart features that can warn about life-threatening conditions. Here's what happened when I tested Apple's ECG against a medical-grade EKG. Vanessa is a lead ...