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A cardiac catheterization is most often performed at a hospital. Do not eat or drink for six to eight hours prior to your procedure. After receiving a mild sedative, you will remain awake during the procedure. The area of catheter insertion will be numbed with a local anesthetic. The catheter, a long, flexible tube, may be inserted into an artery in the groin or arm area.
Introduction and Uses
 
Cardiac catheterization is a procedure used in diagnoses or treatment in which a thin, flexible tube is advanced into the heart. Cardiac catheterization provides useful information about the heart’s functioning. Performed with an imaging technique called fluoroscopy, cardiac catheterization records pictures of the heart while the heart beats. The resulting pictures can help identify heart disease, blood clots, heart enlargement, heart defects, aneurysm, valve problems, or coronary artery blockage. Cardiac catheterization can be used as a treatment procedure to repair open arteries, open valves, and heart defects.
 
Test Procedure
 
A cardiac catheterization is most often performed at a hospital. Do not eat or drink for six to eight hours prior to your procedure. After receiving a mild sedative, you will remain awake during the procedure. The area of catheter insertion will be numbed with a local anesthetic. The catheter, a long, flexible tube, may be inserted into an artery in the groin or arm area. Remain still during the procedure. A dye inserted by your doctor will allow your heart and blood vessels to be seen on an X-ray video. After removing the catheter and completing the procedure, your doctor will go over your results with you.