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Stack #168249
kilgore lvl1: wounds, chpt 27
| Question | Answer |
|---|---|
| primary lesion | the 1st lesion to appear on the skin in response to a causitive agent with a recognizable structure |
| secondary lesion | a change in a primary lesion caused by scratching, rubbing, medications, and/or medical condition/disease process) |
| open wound | disruption or break in skin |
| closed wound | no disruption or break in skin |
| clean wound | wound free of infectious organisms |
| contaminated wound | wound with microorganisms |
| penetrating wound | wound with break thru epidermis, dermis, and underlying tissues, possibly organs |
| abrasion wound | superficial injury caused by rubbing or scraping of skin against another surface |
| laceration wound | open wound with jagged edges |
| contusion wound | closed wound, may be swollen, discolored, and painful |
| phases of wound healing | inflammatory phase, proliferative (reconstruction)phase, maturation (remodeling) phase |
| traits/functions of inflammatory phase | 3-4 days, S/S of heat, erythema, edema, & pain, histamine release causing capillary dilation, WBC migration to wound site, fibrin network formed |
| traits/functions of proliferative phase | 4-21 days, collagen filling, granulation tissue appears, epithelialization occurs |
| traits/functions of maturation phase | 3-4 wks, but max strength achieved up to 2 yrs later, collagen fiber reorganization, wound's tensile strength will never exceed 80% of preinjury strength |
| primary intention healing | the initial union of the edges of a wound, progressing to complete healing without granulation |
| secondary intention healing | wound closure in which the edges are separated, granulation tissue develops to fill the gap, and epithelium grows in over the granulations, producing a scar |
| tertiary intention healing (delayed primary closure) | wound closure in which granulation tissue fills the gap between the edges of the wound, with epithelium growing over the granulation at a slower rate and producing a larger scar than results from healing from secondary intention. |
| pressure ulcer | lesion caused by ischemia from unrelieved pressure that leads to necrosis of underlying tissues |
| stage I pressure ulcer | observable alteration of intact skin which may include changes in skin temp, tissue consistency, and sensation. typically appears as red area that does not blanch |
| stage II pressure ulcer | partial-thickness skin loss involving the epidermis, dermis or both; ulcer is superficial and presents as an abrasion, blister or shallow crater |
| stage III pressure ulcer | full-thickness skin loss damaging or causing necrosis of subcutaneous tissue that extends to underlying fascia, presents as a deep crater |
| stage IV pressure ulcer | full-thickness skin loss w/ extensive destruction, tissue necrosis, or damage to muscle, bone, or supporting structures |
| lifestyle factors that negatively affect wound healing | poor personal hygiene;deficiencies of protein,vit A,B,E,C, zinc, copper&iron; obesity, underweight or emaciated, immobility, smoking & substance abuse |
| physiolgical factors that negatively affect wound healing | immunosuppression, incontinence, hypoxemia, diabetes, neurological impairment, procedures, meds, infections, hemorrhage, fistulas, dehiscence and evisceration |
| diagnositic tests that help identify skin or wound infection | WBC, prealbumin & albumin levles, radiological studies |
| slough | yellow necrotic tissue that is moist & stringy |
| eschar | necrotic thick leathery devitalized tissue (usually black) |
| Gauze dressing | debridement, wicks away exudate from wound |
| transparent film | promotes granulation tissue and autolysis of necrotic tissue in a moist environment |
| hydrocolloid dressing | promotes necrotic autolytical debridement and granulation in clean wound in a moist environment |
| hydrogel dressing | maintains a moist enviroment via water or glycerin-based amorphous gel |
| alginate dressing | interacts w/ exudate to form a soft gel ath keeps the environment moist |
| sharp debridement | removal of necrotic tissue via scalpel, scissors, or laser. very rapid and efficient |
| mechanical debridement | removal of necrotic tissue via scrubbing, whirlpool therapy or wet-to-moist dressing (nonselective) |
| enzymatic debridement | enzymes breakdown necrotic tissue w/o targeting the viable tissue |
| autolytic debridement | utilizes body's ability to digest necrotic tissue (typically a hydrocolloid dressing used) |
Created by:
gfcfnina
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