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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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©2013 UpToDate ® Print Email Burn depth Depth Cause Appearance Sensation Healing time Superficial Ultraviolet exposure Very short flash Dry, red Blanches with pressure Painful 3 to 6 days Superficial partial-thickness Scald (spill or splash) Short flash Blisters Moist, red, weeping Blanches with pressure Painful to temperature and air 7 to 20 days Deep partial-thickness Scald (spill) Flame Oil Grease Blisters (easily unroofed) Wet or waxy dry Variable color (patchy to cheesy white to red) Does not blanch with pressure Perceptive of pressure only >21 days Full-thickness Scald (immersion) Flame Steam Oil Grease Chemical Electrical Waxy white to leathery gray to charred and black Dry and inelastic No blanching with pressure Deep pressure only Never (if >2 percent total body surface area) Adapted from: Mertens, DM, Jenkins, ME, Warden, GD, Med Clin North Am 1997; 32:343; and Peate, WF, Am Fam Physician 1992; 45:1321; and Clayton, MC, Solem, LD, Postgrad Med 1995; 97:151.