Electrocardiography (EKG or ECG) is a form of diagnostic testing used to monitor the electrical activity of the heart over time via electrodes placed on the skin of the chest. The method can ...

A few months ago, MobilECG wowed us with a formidable electrocardiograph (ECG, also EKG) machine in the format of a business card, complete with an OLED display. We’ve seen business card hacks ...