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 Posted: Tue Oct 23, 2012 6:41 am Post subject: How is a coronary angiogram performed? |
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Coronary angiography is performed with the use of local anesthesia and intravenous sedation, and is generally not significantly uncomfortable.
* In performing a coronary angiogram, a doctor inserts a small catheter (a thin hollow tube with a diameter of 2-3 mm) through the skin into an artery in either the groin or the arm.
* Guided with the assistance of a fluoroscope (a special x-ray viewing instrument), the catheter is then advanced to the opening of the coronary arteries (the blood vessels supplying blood to the heart).
* Next, a small amount of radiographic contrast (a solution containing iodine, which is easily visualized with X-ray images) is injected into each coronary artery. The images that are produced are called the angiogram.
* The procedure takes approximately 20-30 minutes.
* After the procedure, the catheter is removed and the artery in the leg or arm is either sutured, "sealed," or treated with manual compression to prevent bleeding.
* Often, if an angioplasty or stent is indicated, it will be performed as part of the same procedure.
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