This stuff can block the flow of blood to your heart. You may have a heart attack. Sometimes treatment isn't neces- sary and you can get your heart back in shape by lowering your blood pressure, stopping smoking, reducing the cholesterol in your blood, and staying physically active. You may be given medicine to relax you. You lie,on a hard table near a camera and other equipment.
Special fluid goes through the catheter so arteries show up well on the x-ray.
Many x-rays are taken as the fluid goes through the artery. You may be asked to hold your breath or cough. By studying the x-ray, the doctor can see any problems with your coronary arteries. If you wish, you can watch the x-ray on the screen. The catheter would pass through the aorta into the blood vessels l ocated on the surface of the heart, known as the coronary arteries.