SOFT TISSUE INFECTIONS Flashcards

1
Q

what are the diagnosis of infection?

A

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

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2
Q

what are the major s/s of soft tissue infections?

A

lymphangitis
fluctuance
crepitation
gas/emphsema

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3
Q

what type of imaging is this?

always obtain for new wounds/admissions
consider foot/ankle/leg films for abcess/advancing cellulitis?

A

plain film radiographs

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4
Q

what type of imaging is this?

only use for evaluating cortical erosions secondary to osteomyelitis

A

ct scan

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5
Q

what type of imaging is this?

helpful in identifying bone infection vs charcot

A

bone scans

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6
Q

what type of imaging is this?

gold standard
high sensitivity
low sensitivity

A

MRI

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7
Q

why are cultures important?

A

obtain before initiating antibiotic tx

get the culture and sensitivity

tissue samples are more superior
-bone, tendon, deep tissue

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8
Q

gold standard diagnosis for possible soft tissue infection?

A

bone biopsy

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9
Q

major indications for acute soft tissue infection?

whaddabout osteomyelitis?

A

clinical signs/physical exam
labs/culture

total pic
chronic wound
probe to bone
positive culture (prob osteo), whereas negative culture (not osteo)

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10
Q

what is the best antibiotic for diabetic foot infections?***

A

surgical steel***

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11
Q

what is the only intervention that shows a significant reduction in major amputations?

A

early surgery

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12
Q

treat bone infection _____?

A

cancer

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13
Q

empiric antibiotic therapy for diabetic foot infections, limb threatening?

A

ampicillin
piperacillin
fluoroquinolone
ertapenam

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14
Q

empiric antibiotic therapy for diabetic foot infections, life threatening?

A

piperacillin

ertapenam

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15
Q

infectious disease consult when?

A

always

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