Left diagnostic catheter is installed in the mouth of the left coronary artery. Made five projections. Then, another catheter is installed in the mouth of the right coronary artery. Usually done three projections.
At different angles through the doctor makes catheter into the lumen of the artery contrast agent. Contrast completely fills the lumen of the artery, at this point, a series of X-ray images that are recorded in a video file.
