Notes: Muscles are machines, powered by electricity. An electrocardiograph is a multimeter of the heart, with ten lead wires instead of two. As your heart beats, electrodes on the lead wires pick up ...

An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease. It's done through small ...

The government approved the first pocket-sized EKG machine Tuesday, so small that it promises easier, faster heart measurements in ambulances, the emergency room _ even a possible heart attack ...

Worldwide, over 300 million electrocardiograms (EKGs) are performed each year, with one-third of those taking place in the United States. Despite being so widely used, the technology of EKGs has been ...

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 ...