Discuss how is Angiography performed?
First of all, contrast medium (a special dye) is injected into an artery. The dye is not harmful. It leaves the body in the urine a few hours after the procedure. After the contrast medium is injected, blood vessels can be viewed and X-ray images taken. If the carotid, coronary or cerebral arteries are being examined, a catheter (a thin, flexible tube) is inserted into an artery in your leg, arm or groin. The femoral artery, located in the thigh, is often used because it provides good access to the heart and surrounding blood vessels. Before inserting the catheter, a local anaesthetic is normally used to numb the area around the insertion point. A long, thin wire with a smooth and rounded tip is inserted into the artery. X-ray images are used (fluoroscopy) to guide it to the right place in the blood vessel being examined. When the guide wire is in place, the catheter can be inserted along the wire and into the blood vessel. Once the catheter is in, the guide wire is removed, and the contrast medium is injected into the blood vessel through the catheter. The procedure is not painful, but as the contrast medium is being injected you may experience slight discomfort for a few seconds in the affected area. After the contrast medium is injected, a radiologist (a specialist trained in looking at images of the inside of the body) is able to view your blood vessels on a monitor, and a series of X-ray images is taken. Angiography generally takes between 20 and 90 minutes to do, depending on the complexity of the investigation. You will usually be allowed to go home on the same day, but in some cases you may stay in hospital overnight. Composition of Angiographic team.
Angiography is performed by a team of health professionals, including a radiologist (or other qualified angiographer), a “scrub” nurse or technologist who assists with sterile and catheterization procedures, and a radiologic technologist. Depending on the departmental...
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