Amblyoma americanum 1. Erhlichia ewigi 2. Tularensia 3. Cytauxoon felis

export_final exam dx path parasit Flashcards by Shari vandePol

Ixodes scap is the ____ tick

deer

How well did you know this?

Not at all

Perfectly

borrelia causes clinically:

shifting lameness

How well did you know this?

Not at all

Perfectly

if see Ixodes on dog- how know if risk of lymes?

if not engorged- less risk b/c has to be attached and eating for 24-48h

How well did you know this?

Not at all

Perfectly

first check____before sending dog home with Ixodes and tell owners of dog with Ixodes tick to:

Check UPCR- only type of lyme that will kill dog, if normal send home

-watch for signs in 2-5month of shifting lameness (only 4% cases that seroconvert show signs)

How well did you know this?

Not at all

Perfectly

t/f- only treat lyme dz if dog clinical

true

How well did you know this?

Not at all

Perfectly

if dog is clinical- Rx

Rx: doxy for 1month

How well did you know this?

Not at all

Perfectly

4Dx detects Ab or Ag- what if +

Ab- if +, retest in 2months

How well did you know this?

Not at all

Perfectly

only ELISA test that looks for Ag

heartworm

How well did you know this?

Not at all

Perfectly

screening test and Rx for Anaplasmosis and Borrelia

4DX, Doxycycline

How well did you know this?

Not at all

Perfectly

which is tick that can establish indoors?

Riphicephalus sanguinus b/c all life cycle stages can feed on dogs

How well did you know this?

Not at all

Perfectly

Name, transmits

Rhipicephalus sanguinus- “brown dog tick”

How well did you know this?

Not at all

Perfectly

Riphicephalus sanguinus transmits:

Babesia canis/piroplasmosis
Ehrlicia canis/ monocytosis
Anaplasma platys

“Brown BEA”

How well did you know this?

Not at all

Perfectly

Babesia- signs and first dx test

lethargy, anemia, pyrexia, hemoglobinuria (*)

Dx: blood smear first!

How well did you know this?

Not at all

Perfectly

tx for Babesiosis:

imidocarb

How well did you know this?

Not at all

Perfectly

Erhlicia common where and dx

SE- 4DX

Rx- doxy

How well did you know this?

Not at all

Perfectly

which is the tick bourne dz that causes neuro signs

Ehrlichia canis

How well did you know this?

Not at all

Perfectly

last thing included in 4DX

Anaplasma platys/ thrombocytic anaplasmosis

How well did you know this?

Not at all

Perfectly

What are the 4 organisms identified by the IDEXX 4Dx test? “BEAD”

Borrelia

Ehrilichia canis
Anaplasma Phagocytophilium
Dirofilaria immitis

How well did you know this?

Not at all

Perfectly

name and transmits

Dermacentor andersoni- Rocky Mnt Spotted Fever (ricketsia)

& Fransiella tulerensis

How well did you know this?

Not at all

Perfectly

Dermacentor variablis = “”

American dog tick

How well did you know this?

Not at all

Perfectly

American dog tick can transmit: (3)

rickettisia
tulerensia
cytoxoon felis

How well did you know this?

Not at all

Perfectly

2 ddx for sudden death in cats:

heart worm

cytauxoon felis

How well did you know this?

Not at all

Perfectly

name, transmits

Amblyoma americanum

Erhlichia ewigi
Tularensia
Cytauxoon felis

How well did you know this?

Not at all

Perfectly

very sick cat in Southern US

cytauzoon felis- blood smear

How well did you know this?

Not at all

Perfectly

Ambylomma maculatum: causes/transmits what?

causes tick paralysis | transmits Hepatozoon americanum

how do dogs get infected with hepatozoonosis?

dog eats tick (only one that the tick does not transmit)

hepatozoonosis causes what signs in young dogs

very painful, reluctant to stand b/c of periosteal inflammation

Toxocara canis Routes of infestation:

* Direct Ingestion * Trans-placental * Transmammary * Ingestion of a Paratenic Host

primary infection in puppies of T. canis

transplacental

puppies with transplacental T. canis will shed by

3wks age- recommend deworming at 2wks

Tx options for Toxocara

1. ML- milbemycin (can give at 2wks) 2. Fenbendazole(3d then 3d, 2wks later) 3. Pyrantel (x2 doses)

when are eggs infective with Toxocara?

in envir after 2-4wks

pile of dead puppies- dz, rx

hookworm -fenbendazole for all puppies

hookworms cause anemia b/c feeding where?

cat-

Dipylidium caninum- flea tapeworm

how tx flea tapeworm infection (*)

praziquantel BUT need 2 doses (2-3wk apart)b/c of risk of reinfection dt fleas, despite praziq being adulticide + advantage

fleas transmit:

1. Dipylidium caninum 2. Dipetylonema 3. Hemobartonella 4. Bartonella henselae 5. Ricketssia felis

Preventative flea products

- lufenuron - methoprene - spinosad* (adulticide too)

Flea adulticides

1. nitanpyran- Capstar 2. imidicloprid- Advantage 3. spinosad-Comfortis *both adults and immatures "Nit Im Spin"

2 possibilities

taenia or echinoccus

only drug type that's adulticidal?

cestode/tape worm infections

only thing to tx taenia or echinoccocus

Praziquantel

if you see coccidia or giardia on fecal float- treat?

only if clinically diseased

2 coccidiocides=

sulfas amprolium

2 eggs in urine?

- capillaria | - giant kid worm (dioctiphyum renale)

treatment of D. renale?

only surgical

generalized itchy dog ddx:

1. demodex 2. sarcoptes 3. fleas 4. lice

if demodex- diagnose how

deep skin scrape at edge of lesion OR trichogram

treatment of choice for demodex?

amitraz- only drug licenced for use

which choice commonly used to treat demodex:

ivermectin

spp and diagnosed how

Cheyetiella- scotch tape

is cheyleetiella zoonotic?

YES!

"thumb print" mite

Notoedres felis- in cats and zoonotic!

most common flea on cats AND dogs

Ctenocephalides felis

larvae in poop are only from parasites who live where

in lungs

cat 3 lung worm-

paragonimuns aelurostrongylus capillarius

test to request for larvae?

baerman

If see eosinophils on BAL- how many tests do you request?*

2- Baerman and fecal float

cat with cystic structures in lungs=

paragonimus- via eating cray fish

in cat

Paragonimus- lung fluke

toxocara canis and felis in humans:

VLM and OLM

Cutaneous larval migrans-

hookworms

cause of neurolarval migrans-

Baylisascaris

routes of infection of toxocara felis

3- transmam, ingest of eggs, ingestion of PH | no transplacental

http://classconnection.s3.amazonaws.com/122/flashcards/2930122/jpg/taenia_tape_worm-1424871EA6863F6DFF4.jpg

Taenia tape worm- square segments (cat eats rodents)

http://classconnection.s3.amazonaws.com/122/flashcards/2930122/jpg/dipylidium_tape_worm-14248726F0B1D7D6481.jpg

Dipylidium tape worm- round sections | cat eats flea

drug of choice for giardia:

fenbendazole metranidazole

wet mount of cat

Tritrichomonas fetus

drug to tx tritrich?

no- Ronitozole helps control clinical infection but won't get rid of it- no other drugs work

cuterebra in cats vs dogs

migrates to CNS

pulmonary artery- worm=

heart worm- Dirofilarius immitus

when need preventative for puppies and heartworm in yr round areas?

by 4-5wks so vaccinate by 10wks (b/c 6wk residual effect of drugs)

what 2 ML are safe for heartworm + dogs and which can kill them?

Revolution (selemectin) Adv. multi (moxidectin) Milbemycin- KILL "Mil will Kill"- (Interceptor)

which lifecyle stage are all hrt worm preventatives licenced for

if Snap test + for heart worm- do what?

- retest SNAP test within few days | - if weak + then do a Knotts microfilaria test BUT 1/4 + dogs don't have + microfilariae

what do you do if dog is clinically ok and have a neg knotts test

suggest retesting in 6months- have on preventative safe for + dogs (Revolution or Adv. Multi)

heart worm in cats rx?

symptomatically or surgical

is heartworm zoonotic?

yes

Dirofilarius immitus larvae looks like-

anterior end tapers, other doesn't

foot lesions on feet- where socks stop

flea bite

skin rash- 2 causes and Rx

sarcoptes, chyletiella

infection in late summer, cats with neuro signs

cuterebra or heart worm

Dx and Rx for cuterebra

response to tx: ivermect + pred

if tx giardia with fenbend or metro and still infected with diarhhea, do what

bathe on first adn last day so not reinfected to remove cysts

if kid eats giardia poop, will get sick?

not nec- only 2/4 zoonotic

deworming puppies: 2 NMA drugs

1. pyrantel- R, H (on food) | 2. fenbend-R, H, Taenia daily for 3 days, then repeat 2-3wks later