Before your carotid angiography, your doctor will talk with you about any questions or concerns you have and give you instructions on how to prepare for the procedure.
During your carotid angiography, you’ll have an IV and ECG patches attached to your chest to monitor your heartbeat. Your doctor may give you a mild sedative to help you relax, but you’ll still be awake.
Your doctor will insert a short, hollow plastic tube (introducer sheath) into a blood vessel in your leg, arm or groin, then guide the catheter using a special X-ray machine. You’ll have a small puncture mark but no incision. Then your doctor will inject contrast dye into the catheter, which shows any spots where your arteries are narrow or blocked or where you may have an aneurysm. The process takes about an hour.