What is an EKG? (Video)

EKG line

EKG is short for electrocardiogram, and it’s the most common heart test. The EKG provides an immediate snapshot of what’s going on in the heart. An EKG helps doctors find out if the heart is beating too quickly or slowly, or whether the heart is under stress from not enough blood flow. In this whiteboard session, Cleveland Clinic’s Umesh N. Khot, MD, draws out the details.