Dog Infectious Dz Review Flashcards
What is the most common bacterial infection in dogs?
Lepto
Which bacteria prefers higher pH urine and warmer temps?
Lepto
How long is the incubation period of Lepto?
3-7d
Causes acute lung and kidney injury and chronic liver injury
Lepto
What is the most common mode of transmission for Lepto?
Contaminated stagnant water, soil, food
Working/hunting dogs are at higher risk of getting which disease?
Lepto
Which disease has so many clinical signs that it’s a ddx for most infections in a dog?
Lepto
How will Lepto affect CBC/chem?
Decr PLTs, anemia
Incr PT/PTT
Disproportional incr. in ALP
What type of casts will you see in the urine of a Lepto infected dog?
Granular casts
How do you treat sick Lepto cases?
Amoxacilin + doxy for 2wk
How do you treat a stable Lepto case?
Doxy for 2wk
How does giving abx help a Lepto case?
Shortens duration of shedding
How long does a non-core Lepto vaccine protect a dog?
12 months
What bacteria affects immune-compromised or splenectomised dogs exclusively?
Mycoplasma
What tick transmits Mycoplasma to dogs?
R. sanguineus
How do you treat a Mycoplasma infection
Doxy or Fluoroquinolones
This is an RNA virus with and LPS envelope that is very susceptible to the environment
Distemper
How is distemper virus transmitted?
URT secretions
Where does distemper virus replicate?
Macrophages
How long after infection does distemper virus spread to CNS tissue?
8-9d post-infection
What % of distemper-infected dogs recover spontaneously?
25-75%
What virus causes pyrexia and both T- and B-cell lymphopenia?
Distemper
What virus causes KCS, hyperkeratosis (hard pad dz), diarrhea, and neuro signs?
Distemper
Why do neuro signs assoc. w/distemper not appear until 1-3wk after recovering from systemic illness?
Demyelination takes time
What dogs are most at risk for distemper virus?
Unvaccinated 3-6mo puppies
What type of lung pattern will you see with distemper virus?
Interstitial (alveolar if 2* infxn)
Intracytoplasmic inclusion bodies in erythrocytes can be seen in early disease of this virus
Distemper
What will you see on a CSF tap of a distemper virus dog?
Increased protein (inflammatory)
How do you treat distemper and what is the prognosis?
Supportive amox/doxy, dexmethasone, seizure meds
Px is poor
Which canine virus is highly resistant to the environment?
Adenovirus 2
Small, non-enveloped DNA virus that requires rapidly dividing cells for replication
Parvo
Highly contagious and often fatal virus of dogs
Parvo
What age of dogs are predisposed to parvo?
6wk-6mo
What body systems are affected by parvovirus?
GI and BM
What virus causes hemorrhagic enteritis and severe leukopenia?
Parvovirus
When can you provide antiemetics to a parvo puppy?
> 8wk
How do you tx parvo?
Fluids, food, gastric protectants
