Term
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Definition
| extravasation of blood into intra or subcutaneous layers resulting in skin discolouration (doesnt blanche under pressure) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| inability to pick up fold of skin at base of 2nd toe... a diagnostic sign of lymphoedema |
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Term
| what causes the irritation in stasis dermatitis? |
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Definition
| protein and haemosiderin depositis which are in oedema |
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Term
| what is the problem with a postive bone scan, in regards to osteomyelitis? |
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Definition
| while a negative scan rules out osteomyelitis.... a positive scan could be from other causes such as nueropathic osteoarthropathy |
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Term
| define chronic osetmyelitis |
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Definition
| bone infection lasting >6/52 |
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Term
| what are the 3 different types of necrotising Fasciitis? |
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Definition
type1 - polymicrobial
type 2 - monomicrobial (mostly Gp A Strept)
Type 3 gas gangrene, or clostridial myonecrosis |
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Term
| what is the mortalility rate of necrotising fasciitis? |
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Definition
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Term
| Gas gangrene is caused by what? |
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Definition
| clostridial contamination of wound |
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Term
| discuss progression of gas gangrene... |
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Definition
| skin progressively becomes: pale, shiny, tense, with haemorrage bullae, foul smelling serosanguineous discharge, wih crepitus |
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Term
| when are radiographic changes associated with osteomyelitis present? |
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Definition
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Term
| what is seen on xray of osteomyelitis infection |
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Definition
| periosteal elevation, and cortical or medulary lucency |
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Term
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Definition
| fever, oedema (3-5 days after), warmth, tenderness, pain, sinus tract drainage |
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Term
| name 3 route of bone infection |
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Definition
| haematologenous,contiguous, direct implantation |
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Term
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Definition
| discolouration, loss of sensation, foul smelling exudate |
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Term
| Wet gangrene is caused by what? |
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Definition
| sudden interuption of blood supply by toxin-producing bacteria destroy tissue, this spreads quickly and can be life threatening. |
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Term
| what are 2 points to distinguish wet from dry gangrene |
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Definition
| wet is fouls smelling, and has no clear line of demarcation. while dry gangrene generally has a clear line of demarcation |
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Term
| wet gangrene appears how? |
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Definition
| badly bruised, swollen and blistered |
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Term
| dry gangrene is cause by what? |
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Definition
| insufficient blood flow though arteries, that usually doesnt involve infection. |
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Term
| how does dry gangrene appear? |
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Definition
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Term
| Venous gangrene is characterised by what? |
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Definition
| inflow failure, from outflow obstruction, which is poorly demarcated, with gross swelling and toxaemia |
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Term
| fruity smell indicates what type of infection |
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Definition
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Term
| superficial partial thickness wounds will heal in how long? |
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Definition
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Term
| how to treat superficial partial thickness wounds? |
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Definition
| antimicrobial cream and occlusive dressing |
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Term
| in 3 weeks what strength will a scar be? |
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Definition
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Term
| in 6 months what is approx scar strength |
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Definition
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Term
| what is scar strength at 6 weeks |
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Definition
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Term
| A ulcer extending to bone with no ischaemia but a suspected staph infection woul be classified as what? |
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Definition
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Term
| saucer shaped ulcer indicates what? |
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Definition
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Term
| rolled edges in a venous ulcer, you expect what? |
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Definition
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Term
| what is an important point to do with malodour and infection? |
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Definition
| malodour is often a sign of infection, but all occluded wound will have a oddour |
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Term
| Induration inducates what? |
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Definition
oedema, possibly infection or inflammation
(it is firmswelling with or without redness) |
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Term
| Arterial ulcers mostly caused by what condition? |
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Definition
| atherosclerosis obliterans |
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Term
| what is the normal appearance of an ischaemic ulcer |
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Definition
| shallow, irregular shape, with dry escahr or slough and minimal exudate... severe unrelenting pain |
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Term
| if smoking is not ceased in pts with thromboangiitis obliterans what % will have an amputation... what if they stop smoking? |
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Definition
| 40% require amputation, if stop smoking 94% will avoid amputation (almost 100% if ceased before gangrene) |
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