Bol: Ch 85 Bites And Stings

Front 1

Back 1

Bed bugs
-flat oval body
-red brown
-5-7mm long
-feed at night

Front 2

Back 2

Triatome reduviids (kissing bugs)
-half membraneous wings
-tan and dark tiger stripes
-vector for = AMERICAN TRYPANOSMIASIS (Chages dz)

Front 3

Back 3

Human flea
-laterally compressed bodies
-MC flea on DOGS = Ctencephalides felis (cat flea)
-vector for = ENDEMIC TYPHUS, FLEA BORNE SPOTTED FEVER, PLAGUE

Front 4

Back 4

Amblyomma americanum
-lone start tick
-white dorsal spot on female ticks

Front 5

Back 5

Dermacentor variabillis tick
-ornate scutum
-vector for = rocky mountain spotted fever
-large
-prefers = head, neck, shoulders

Front 6

Back 6

Rhipicephalus ticks
-common brown dog ticks
-vector for = boutonneuse fever, RMSF

Front 7

Back 7

Ixodes scapularis tick
-inornate brown scutum, cream colored engorged abdomen
-aka deer tick, black legged tick
-tear drop shape; dark legs
-vector for = LBH (lyme dz, babesiosis, human granulocytotropic anaplasmosis)

babesiosis: malaria like illness
anaplasmosis: acute febrile illness;

Front 8

Back 8

Brown recluse spider
-aka loxosceles reclusa
-small body, long legs; 3 pairs of eyes
-systemic rxn = shock, hemolysis, renal insuff, DIC
-toxin = sphingomyelinase D

Front 9

Name 5 diseases transmitted by ticks...

Back 9

-Hard tick: lyme borreliosis, RMSF
-soft ticks: borrelial relapsing fever
-dermacentor variabilis: RMSF
-dermacenter andersoni: Colorado tick fever, RMSF
-lone star tick: ehrilchosisos, rickettsial, southern tick assoc rash illness (STARI), Tularemia
-brown dog tick: Boutonneuse fever, RMSF
-deer tick (ixodes tick): lyme dz, human granulocytotropic anaplasmosis, babesiosis

Front 10

Name 5 diseases transmitted by mosquitos?

Back 10

-encephalitis (Japanese, St Louis...)
-malaria
-yellow fever
-dengue fever
-bancroftian filariasis

Front 11

what does the chigger mite transmit?

Back 11

scrub typus

Rickettisial pox

Front 12

What do fleas transmit?

Back 12

Bulbonic plageu

Murine typhus

?hep B

Front 13

What cause chaga's disease?

Back 13

aka american trypanosomiasis
+Romana sign

-bite of reduvid bug (aka kissing bug)

Front 14

what are 3 differences b/w swimmer's itch and seabather's eurption?

Back 14

Swimmer's itch:
-fresh, salt water
-effects uncovered body areas
-found in N USA, Canada
-cause = cercaridal forms of schistosomis

Seabather's eruption:
-salt water origin only
-covered/hairy areas
-located in: FL or cuba
-(cause) larval forms of marine celenterale

Front 15

bed bugs can be vectors for which 2 diseases?

Back 15

chagas dz (American trypanosomiasis)
?hep B virus

Front 16

how does the pathology of bed bugs vs fleas differ?

Back 16

bed bugs = eosinophils

fleas = eos + neutrophils

Front 17

what two bites/stings can cause ophthalmia nodosa?

Back 17

-lepidopterism (caterpillar dermatitis): keratoconjuncitivity, iritis, vitreorental involvement
-tarantula (if urticating hairs are thrown at the eye)

Front 18

what is in the contents of the Loxosceles reclusa spider (brown recluse spider) venom?

Back 18

Sphingomyelinase D

later, hyaluronidase allows for eschars to spread and MMP

*flag sign (central blue gray, halo, reactive erythema)

Front 19

what animal bite can cause pancreatitis?

Back 19

Scorpion