DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Nerve block anaesthesia. Anaesthetist placing an electrode from a nerve stimulator unit into a 75 year old woman's abdomen prior to hip replacement surgery. During surgery the local nerves will be blocked from transmitting signals, providing local anaesthetic without the risks associated with anaesthetic drugs. During the surgery the patient's hip will be replaced with an artificial (prosthetic) joint. The hip is being replaced because of osteoarthritis, a degenerative joint disease that results in the loss of cartilage between the joint and the growth of bone in the place of the cartilage. This causes pain, stiffness and loss of mobility. For a sequence showing the surgery see M551/450 to M551/460.
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