K.GLASER / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY K.GLASER / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Cardiac catheterisation. View of a heart surgeon conducting a cardiac catheterisation operation. The patient is seen in the foreground. The surgeon holds a thin, hollow tube (catheter) which is being inserted into a blood vessel of the patient, normally in the thigh. The catheter is then guided into the heart, with the aid of X-ray monitors (in the background). Once the catheter is in place, a radio-opaque dye may be injected into the patient. Cardiac catheterisation is a method of detecting heart or coronary artery disease, such as athero- sclerosis (narrowing of the arteries) or arterial blockage which may cause heart attack.
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