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Atypical and Antimicrobial Resistant Infections - Coggle Diagram
Atypical and Antimicrobial Resistant Infections
mycobacterium
innate host defenses
immuocompetent
granuloma
hallmark
macrophage
also known as
epithelioid macrophage
Langhans giant cell
mononuclear phagocytes
histiocytes
type IV delayed hypersensitivity reaction
21-28d
hardened clinical appearance
due to persistent Ag or foreign body presence
localized progressing to disseminated
immunocompromised
progresses to bacteremia
types
slow growing
difficult to culture
fast growing
clinical signs
routes of exposure
inhalation
ingestion
contact
weight loss
lumpy sq
unresolved with routine antimicrobial treatment
diagnosis
acid-fast
no diff-quik
no H&E
not routine
slow culture
PCR
treatment
long term (2-6mo)
combo antibiotics
Rifampin
fluoroquinolone
azithromycin
prevents mutation
remove as much as possible surgically
MRSA
characteristics
altered peniciilin-binding protein (PBP)
low b-lactam affinity
:forbidden: penicillin, amoxicillin, ampicillin
confered by SCCmecA cassette between staph spp
antimicrobial stewardship
watchful waiting
feline URI <10d
focusing on supportive care
CIRD with non-productive cough
diagnostic work-up
culture and susceptibility
submit with cytology
empiric therapy
time out
reevaluate response after 48-72h
ISCAID updates
refer to published treatment guidelines
infection control
isolation of patient with known AMR
use PPE
hand hygiene
dedicated exam room