Module 03 Discussion – Artifacts and Troubleshooting on EKG NO NEED FOR APA FORMATTING , JUST HALF OF A PAGE. DISCUSSION POST. It is not uncommon for patients to have cardiovascular troubles when they visit a physician’s office. As a medical assistant you may be responsible for performing electrocardiogram (ECG or EKG). Along with knowing how to properly perform this procedure, you need to know how to troubleshoot problems that can occur while recording the heart’s activity. One of the problems that you may encounter is an artifact. List two different artifacts that can occur during an ECG tracing, what the potential causes might be for that artifact, and how you would correct it so you can help the physician make an accurate diagnosis.