There is one more modality that is often used to diagnose coronary artery disease, and it’s non-invasive. This is called a CT angiogram. With a CT angiogram, you’re given an IV and through the IV you’re given contrast, and then you’re put through a scanner to do a CAT scan. The CAT scan can tell us the blood flow through the arteries of the heart and tell us non-invasively whether you have a blockage. And obviously if a blockage is identified, then you would need a coronary angiogram, which is invasive, but could also allow you to be treated with balloon angioplasty and stents.