AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
Burns treatment. Nurse changing a dressing on an eschar (round, centre right) on a patient's leg. The old and new dressings are seen on the table at bottom. An eschar is a dry scab caused by a burn. It most often forms following surgical cauterization, a medical technique used to remove dead or abnormal tissue. The tissue is burned away by using a hot instrument, electricity or by caustic agents. It is important to keep the site of burns clean to prevent infection.
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