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Title | Description | Subject | Collection |
326 |
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Venous pressure | With increased venous pressure induced by incompetent valves within the venous system of the leg, there is extravasation of fluid from the capillaries into the surrounding tissue. This separates the capillaries from the cells to which they supply nutrition, and those cells are damaged or even die. T... | | Knowledge Weavers Dermatology |
327 |
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Vitiligo | This patient has vitiligo. The melanocytes within the epidermis are destroyed presumably by a lymphocytic cell-mediated process. | | Knowledge Weavers Dermatology |
328 |
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Wound culturing | If the tissue around the wound is red and tender suggesting infection, then the wound should be cultured. The best mode of culture of a long-standing wound is to actually biopsy tissue at the base of the wound and culture that tissue. | | Knowledge Weavers Dermatology |
329 |
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Wound dressing | This shows a bulky dressing applied on top of the non-adherent dressing to absorb the bleeding that will occur over the next hour or two after debridement. The wound should be gently cleansed once or twice daily with dilute Hibiclens (one part Hibiclens and three parts water), and then the Silvaden... | | Knowledge Weavers Dermatology |
330 |
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Wound dressings | This demonstrates the bulk dressing on the wound. The dressing should be changed twice daily, and the wound irrigated with sterile saline in an attempt to further remove any debris, including necrotic tissue. | | Knowledge Weavers Dermatology |