An electrocardiogram (Fig ... The second, fifth, ninth and twelfth P waves in the first strip that come after each of the premature ventricular beats are in all probability sinus-activated ...

If you're scheduled to have an electrocardiogram (EKG), you may wonder what to expect. Here, we break down what you need to ...

Research shows that a newly-developed wireless EKG patch is as accurate ... display misrepresentations of important information when reading the electrical activity of the heart.