BSIP DUCLOUX / SCIENCE PHOTO LIBRARY BSIP DUCLOUX / SCIENCE PHOTO LIBRARY
Aortic angioplasty. Coloured angiogram (X-ray) showing the removal of a thrombus from the aortic artery. A catheter with a curved end (at upper centre) can be seen running up the aorta (large blue blood vessel). By watching the movements of the catheter on an X-ray the surgeon can suck up the thrombus, or abnormal blood clot. The thrombus is restricting the flow of blood through the aorta and this can cause pain or even organ and tissue death. Aortic angiograms are produced by injecting an X- ray opaque medium into the aorta using a catheter.
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