To thrive in an EKG Externship, you should have a basic understanding of cardiac anatomy and physiology, along with completion or current enrollment in a related healthcare training program such as Medical Assisting or Cardiovascular Technology. Familiarity with EKG machines, lead placement, and knowledge of basic medical terminology is often required, and CPR certification may be preferred. Excellent attention to detail, a willingness to learn, and good communication skills help externs work effectively within clinical teams. These abilities are crucial for accurate test results, patient safety, and successful integration into a fast-paced healthcare environment.