SOFT TISSUE INFECTIONS Flashcards
what are the diagnosis of infection?
physical examination
-vital signs, erythema, lymphangitis, lymphadenopathy
labs
-cultures, blood chemistries/profile
imaging (CBC w/ dif, BMP, CRP, ESR, HbA1C)
-x-ray, CT scan, MRI, bone scan
what are the major s/s of soft tissue infections?
lymphangitis
fluctuance
crepitation
gas/emphsema
what type of imaging is this?
always obtain for new wounds/admissions
consider foot/ankle/leg films for abcess/advancing cellulitis?
plain film radiographs
what type of imaging is this?
only use for evaluating cortical erosions secondary to osteomyelitis
ct scan
what type of imaging is this?
helpful in identifying bone infection vs charcot
bone scans
what type of imaging is this?
gold standard
high sensitivity
low sensitivity
MRI
why are cultures important?
obtain before initiating antibiotic tx
get the culture and sensitivity
tissue samples are more superior
-bone, tendon, deep tissue
gold standard diagnosis for possible soft tissue infection?
bone biopsy
major indications for acute soft tissue infection?
whaddabout osteomyelitis?
clinical signs/physical exam
labs/culture
total pic
chronic wound
probe to bone
positive culture (prob osteo), whereas negative culture (not osteo)
what is the best antibiotic for diabetic foot infections?***
surgical steel***
what is the only intervention that shows a significant reduction in major amputations?
early surgery
treat bone infection _____?
cancer
empiric antibiotic therapy for diabetic foot infections, limb threatening?
ampicillin
piperacillin
fluoroquinolone
ertapenam
empiric antibiotic therapy for diabetic foot infections, life threatening?
piperacillin
ertapenam
infectious disease consult when?
always
