Skin, Soft Tissue, and Bone Infections
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49 terms
Terms | Definitions |
|---|---|
 primary SSTI | involve area of previously health skin, single pathogen |
| secondary SSTI | occur in areas of previously damaged skin, polymicrobic |
| complicated SSTI | involve deeper tissue, surgical intervention, immunosuppressed pts |
| erysipelas | group a strep |
| impetigo | staph aureus, group a strep |
| lymphangitis | staph aureus, group a strep |
| cellulitis | group a strep, s aureus, others |
| necrotizing fascitis type I | anaerobes and facultative bacteria |
| necrotizing fascitis type II | group a strep |
| honey colored crusty blisters, itchy | impetigo |
| impetigo doc | mupirocin (bactroban) for 7 days augmentin 20 mg/kg/d x 7 days |
| sub q lymphatic inflammation | lymphangitis |
| lymphangitis doc | penicillin iv then pen vk 250-500 mg QID |
| pcn allergic pt with lymphangitis | clindamycin 150-300 mg q6-8h |
| lymphangitis resembles this... | dvt (streaking) |
| inflammation of the hair follicle (stye) | folliculitis |
| boil or abscess, deeper than folliculitis, walled off mass | furuncle |
| group of furuncles, deeper into subQ | carbuncles |
| common bug for folliculitis, furuncle, carbuncles | staph aureus |
| folliculitis tx | warm, moist compresses, topical tx for 7 days mupirocin |
| furuncle | friction and perspiration, firm, tender red nodules |
| carbuncle | broad, swollen, red, deep painful follicular masses |
| furuncle and carbuncle tx | dicloxacillin (dynapen) adults 250-500 mg QID children 25-50 mg/kg/d QID |
| erysipelas | st anthony's fire, beta hemolytic strep |
| well defined borders | erysipelas |
| erysipelas DOC | penicillin |
| cellulitis | borders not well defined, complications common |
| cellulitis organisms | staph aureus, strep pyogenes, CA MRSA |
| uncomplicated cellulitis | dicloxacillin 500 mg QID |
| complicated cellulitis | vancomycin |
| type I NF | skin may be spared, destruct fat and fascia |
| type II NF | strep gangrene |
| NF | clindamycin and gentamycin |
| NF causes | s pyogenes, group a strep |
| clostridial myonecrosis | perfringens, PCN 20 mill u/d and clindamycin 300 mg QID |
| diabetic foot infections | polymicrobial |
| PEDIS | perfusion, extent, depth, involvement, sensation |
| grade 2 | no MRSA cephalexin, dicloxacillin HA MRSA linezolid, vanco, daptomycin CA MRSA clindamycin, bactrim, doxy |
| grade 3/4 | no MRSA ceftriaxone and clindamycin, zosyn, primaxin, etc MSSA vanco, linezolid, daptomycin, synercid, tigecycline |
| pressure sore location | 2/3 on feet and sacrum |
| bites | polymicrobial |
| bites tx | po augmentin iv ampicillin/sulbactam: unasyn |
| osteomylitis | infectious or septic arthritis |
| contiguous osteomyelitis | adjoining soft tissue infection cause, 47% |
| hematogenous osteomyelitis | spread through bloodstream, 19% |
| peripheral vascular disease | 34%, distinct category, at risk |
| acute osteomyelitis | under 1 week |
| chronic osteomyelitis | > 1 month before initiation of therapy |
| contiguous osteomyelitis organisms | s aureus most common, p aeruginosa, e coli, strep, staph, anaerobes |
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