A coronary angiogram is both a diagnostic X-ray imaging procedure and a treatment for coronary artery disease (CAD), using the cardiac catheterization technique by inserting a 2 mm-diameter catheter along the artery through the wrist, elbow, or groin up to the coronary arteries and injecting a contrast dye to take x-ray images to allow the visualization of the condition inside the coronary arteries. Doctors may recommend a coronary angiogram for individuals who experience chest pain, shortness of breath, or other
