If your heart has been beating too fast, or you've been having chest pain, both you and your doctor will want to fin

ECG (electrocardiogram) is a test that measures the electrical activity of the heart to show whether or not it is workin

An ECG gives two major kinds of information. First, by measuring time intervals on the ECG, a doctor can determine how l

An electrocardiogram (ECG) is one of the simplest and fastest tests used to evaluate the heart. Electrodes (small, plast

An electrocardiogram records the electrical signals in the heart. It's a common and painless test used to quickly de