Sarcoptes Scabiei Flashcards Preview

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Flashcards in Sarcoptes Scabiei Deck (21):
1

suborder

astigmata

2

common name

sarcoptic mange mite, itch mite, scabies mite

3

host

all domestic animals and humans

4

is this host specific?

LARGELY host specific

5

is this parasite contagious?

highly contagious

6

is sarcoptes scabiei zoonotic?

yes!

7

which mite is similar to the sarcoptes, but in cats?

notoedres cati

8

identification:

round
short legs
suckers on unsegmented stalks

9

what pair of legs does the female have suckers on?

1 and 2

10

what pair of legs does the male have suckers on?

1, 2, and 4

11

life cycle

female creates burrow in upper layer of epidermis
eggs laid in tunnels
hatch in 3-5 days to larvae that crawl on skin surface
larvae burrow and form "molting pockets"
nymphs and adults develop in pockets
adult emerges and seeks female

12

all stages ____ in the epidermis, resurface, and burrow again

tunnel

13

site of infection

skin

14

pathogenesis

erythema, scale and crust formation
VERY PURITIC

15

clinical signs

extensive lesions of follicular papules
lots of scratching
dried serum and excorations

16

diagnosis

skin scaping

17

is it easy or difficult to find the mites?

difficult even in dogs with advanced lesions

18

treatment

MCLs
subcutaneous ivermectin

19

common starting places on infection on the skin?

lateral elbow, pinna of the ear

20

treatment of mites cure the ___ they infest

humans

21

how do dogs get sarcoptic mange?

direct contact- very contagious