Leptospirosis Flashcards Preview

Small Animal Internal Medicine > Leptospirosis > Flashcards

Flashcards in Leptospirosis Deck (22):
1

Is Leptospira gram (-) or gram (+)?

Gram (-) spirochete

2

Put the following in order from least selective or most selective: Species, Strain, Serovar, Serogroup, Genus.

Genus --> Species --> Serogroup --> Serovar --> Strain

3

What are the vectors/reservoirs of lepto?

1. Rats

2. Mice

3. Muskrats

4. Opossums

5. Squirrels

4

Name 4 routes of entry for lepto.

1. Intact mucous membranes

2. Wounds

3. Transplacental

4. Venereal

5

Name 3 things that easily kill lepto.

1. Frost

2. Disinfectants

3. UV light

6

Explain the seasonality of leptospirosis.

Seasonality of outbreaks will be associated with rainfall.

7

Which dog breed has the highest prevalence to lepto?

Yorkies

8

PCR detects ____ of the leptosira organism.

DNA

9

Which will diagnose lepto earlier, PCR or serology?

PCR

10

Leptospirosis: Why should you submit both a urine sample and blood sample for PCR?

Organisms present in the blood <7 days post-infection

Organisms present in urine >7-14 days post-infection

11

True or False: A negative PCR result rules out Leptospirosis.

FALSE

12

There is a 4-serovar vaccine available against Leptospirosis. What are the 4 serovars?

1. Icterhemorrhagiae

2. Canicola

3. Grippotyphosa

4. Pomona

13

What is the mainstay antibiotic used in the treatment of Leptospirosis?

Doxycycline

14

How long is the duration of treatment with Doxycycline?

2 weeks

15

What antibiotic will clear the bacteremia associated with Leptospirosis?

Amoxicillin/ampicillin

16

Which antibiotic clears Leptospirosis infection from tissues such as the kidneys?

Doxycycline

17

What does MAT stand for?

Microscopic agglutination test

18

What is the GOLD STANDARD is diagnosis of Leptospirosis?

Serology (microscopic agglutination test)

19

A titer of > 1 : ___ is positive for Leptospirosis.

> 1 : 1600

20

What are 2 examples of false positives when using serology to diagnose Lepto?

1. Vaccination

2. Previous exposure

21

True or False: Leptospirosis is subclinical in cats.

TRUE

22

True or False: It is highly recommended that all cats be vaccinated against Lepto.

FALSE - vaccination is not recommended