DR ISABELLE LAZARETH, ISM / SCIENCE PHOTO LIBRARY DR ISABELLE LAZARETH, ISM / SCIENCE PHOTO LIBRARY
Close-up of the ankle of an elderly female patient, showing post-bullous ulcers (that first appeared as blisters) caused by impaired blood flow due to heart failure (insufficiency). See images 2 and 3 after skin graft surgery and healing.
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