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 ...

Apple's new, fourth-generation watch has an electrical heart rate sensor. This can record your electrocardiogram or ECG, which Apple says: "… can classify if the heart is beating in a normal pattern ...

A pulmonary embolism (PE) is a blood clot in one of the arteries in the lungs. It not only blocks blood flow in the lungs, but it can affect heart function by making the right side of the heart work ...

An ST depression is a possible outcome of an electrocardiogram (ECG) test. It can indicate health conditions such as hypokalemia, myocardial ischemia, or a side effect of medications. Doctors may ...

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 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 ...

We've read the fine print -- and consulted experts -- about Apple's irregular heart rhythm technology so you don’t have to. Danielle Kosecki is an award-winning journalist who has covered health and ...

Chest pain or palpitations can signal hidden heart trouble. Know when an ECG test is needed, what results show, and when to seek urgent care.

The Apple Watch introduced electrocardiogram (ECG) heart measurements in 2018, and the feature has been saving lives ever since. Available on the Apple Watch Series 4-11 and Ultra 1-3, ECG readings ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. With the latest update ...