AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
Burns treatment. Nurse changing a dressing on an eschar, a dry scab caused by a burn, on a patient's foot. Eschars are most often produced by cauterization, which is a medical technique performed 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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