Bacterial infections (Yr 2) Flashcards
is Salmonella gram positive or negative?
negative
how is salmonella spread?
ingestion of contaminated (raw) food, water or fomites (contaminated by infected faeces)
direct contact with infected animals/human
are antimicrobials indicated when treating salmonellosis?
not for local GI disease (prolongs shedding)
required for bacteraemia
does campylobacter also cause clinical signs?
often not, usually a secondary or opportunistic pathogen
what is the pathogenesis of leptospirosis?
animal infected from contact with urine, the bacteria then penetrate through the mucous membranes and multiply in the blood where they spread to kidney, liver, spleen, genital tract
the bacteria is then cleared from most tissues but can persist in the kidney for months
how is leptospirosis treated?
supportive (fluids…)
pencils for bacteraemia
tetracycline/doxycycline for carriers
what does Borrelia burgdorferi cause?
Lyme disease
are Staphylococcus spp. gram positive or negative?
postive (commensal on skin)
what does Staphylococcus pseudintermedius typically cause?
bacterial pyoderma
how is Staphylococcus pseudintermedius treated?
topical therapy (chlorhexidine)
systemic antimicrobials if severe or deep
what does MRSA stand for?
metacillin resistant Staphylococcus aureus
what part of the body does Ehrlichia canis infect?
monocytes (intracellular)
how is erhlichiosis transmitted?
ticks (only seen in travelled dogs)
how can ehrlichiosis be treated?
doxycycline
what causes feline infectious anaemia?
Mycoplasma haemofelis
