Inf Dz's 1

Question 1

Dx of Actinomyces and Nocardia

Answer 1

cytology and culture, tell lab to hold onto culture for 10 days (slow growing bacT)

Question 2

Tx of Actinomyces and Nocardia

Answer 2

sx drainage and debridements
A: penicillins, tx for 4 wks post clinical resolution
N: trimethoprim sulphonamides, tx for 6 wks

Question 3

How long does it take to become infected by a tick w/ B. burgdoferi?

Answer 3

48-50 hrs post attachement

Question 4

T/F 95% of dogs exposed to B burgdofer don’t develop CS

Answer 4

True

Question 5

What the best test to dx B burgdorferi?

Answer 5

C6 antibody test (snap test)

Question 6

What’s the drug of choice to tx B burgdorferi?

Answer 6

Doxycycline

Question 7

T/F Older dogs are more commonly infected with lepto

Answer 7

false- younger dogs

Question 8

When dx lepto with MAT what values indicate dz is present (or vx’d) and active dz?

Answer 8

Dz present or vx: >1:3200

Active Dz: >1:800

Question 9

A dog comes in with icterus, fever, tachypnea, and anorexia/vomiting. An abdominal ultrasound was performed and kidneys were enlarged and the medullary band had increased echogenicity. What’s on the top of your Ddx?

Answer 9

lepto

Question 10

Tx for lepto

Answer 10

central line, urinary catheters to monitor urinary output, anti-emetics, gastric protectants, plasma/fresh whole blood, diuresis if in renal failure, doxy for 2 wks or penicillin G/Ampicillan followed w/ doxy later

Question 11

A dog comes in vomiting and the owner tells you it has had diarrhea that started out watery but is now bloody. What’s your ddx and how would you tx this?

Answer 11

Ddx: Salmonella
Tx: isolation, IV fluids, chlorampheincal, trimethoprim sulphonomide, amoxi, ampicillan

Question 12

If you get a fecal culture back + for testing for Salmonella, does that mean the dog has it? What if it’s negative?

Answer 12

No, positive result doesn’t mean it has it. Negative result doesn’t rule it out.

Question 13

T/F Campylobacter usually causes small bowel diarrhea

Answer 13

False

Large bowel diarrhea: mucous, tenesmus (straining to poop), hematochezia, increased frequency.

Question 14

What does Campy look like under the microscope?

Answer 14

gull winged

Question 15

T/F Cats can get brucellosis

Answer 15

False

Question 16

Clinical signs of Brucellosis

Answer 16

bacteremia (can last up to 64 wks)
generalized lymphadenopathy, transient fevers, seizures
males: enlarged scrotum, epididymitis, infertility, testicular atrophy
females: infertile, abortion, stillborns
discospondylitis, chorioretinitis, optic neuritis, anterior uveitis

Question 17

TAT values for active and suspected infections of Brucellosis

Answer 17

TAT >200 active infection

>50 to 100 suspect infection

Question 18

Tx for Brucellosis

Answer 18

Sterilize all infected animals
Doxy + streptomycin
aminoglycosides, doxy, quinolones
4 wks therapy

Question 19

When should you restest for Brucella following tx? What should the TAT be?

Answer 19

6-9 mo later
TAT should be less than 100
AGID should be neg

Question 20

T/F Serology will be neg for Brucella 2-4 wks post infection

Answer 20

True

Question 21

T/F A dog infected with Brucella will have neutrophilic pleocytosis w/ increased protein levels

Answer 21

true

Question 22

CS of Actinomyces and Nocardia

Answer 22

A: anareobic infections, often has draining tracts/wounds
N: associated with wounds and pyothorax