EKG technicians assist physicians in diagnosing and treating heart disease, coronary artery disease and a multitude of other heart ailments. These technicians generally specialize in one of three cardiovascular fields: invasive cardiology, echocardiography, and vascular technology. EKG technicians are often referred to as electrocardiograph technicians. While some, although few, electrocardiograph technicians are trained on the job, most health care facilities…