Zoonoses and Miscellaneous Flashcards
can cause undulating fever after intake of unpasturized dairy product
small, gram-negative rod without a capsule
Brucellosis
Brucella abortus
Tx: doxycycline + rifampin
What is the tick vector of F. tularensis?
Dermacentor
What are the reservoir host of F. tularensis?
Rabbits
Deer
Rodents
What is the tx for tularemia?
Streptomycin
Gentamicin
What is the most virulent bacteria that has a safety pin appearance?
Yersinia pestis
What is the flea vector of yersinia pestis?
Xenopsylla cheopis
What is the reservoir of Y. pestis?
Wild rodents
[Forms of plague]
sudden onset fever, headache, chills, weakness, painful lymph nodes
Bubonic plague
[Forms of plague]
Fever, chills, extreme weakness, abdominal pain, skin and other tissues turn black and die especially on the fingers, toes, and nose
septicemic
Most serious from of plague due to Y. pestis since it can be spread from person to person by respiratory droplets
pneumonic
closed safety pin appearance
short, encapsulatedm gram-negative rod
Pasteurella multocida
Tx: pen G
The buttery colonies with musty odor in P. multocida is due to
indole ring production
What are the reservoirs of P. multocida?
Cats and dogs
Cat scratch disease
Bartonella henslae
B. henslae can be transferred through ___
cat bite or scratch
What is the close differential of bacillary angiomatosis that is due to B. henslae?
kaposi sarcoma
[What is the etiology]
Clue cells, positive whiff test, malodorous vaginal discharge
Gardnerella vaginalis
Bird fancier disease
sudden onset pneumonia, malaise, fever, anorexia, sore throat, photophobia, severe headache
Chlamydia psittacii or Psittacosis
DOC: Azithromycin
What are the associated bird that can cause C. psittaci infection?
parrots, parakeets, macaws, cockatiels
[DOC for chlamydia spp]
STD
Azithromycin
[DOC for chlamydia spp]
Conjunctivitis
Erythromycin
[DOC for chlamydia spp]
LGV
Doxycycline
[Rickettsiae]
Tick vector
Rash is macular with centripetal spread, no eschar
Rickettsia rickettsii (Rocky Mountain Spotted Fever)
[Rickettsiae]
Vector: chigger mite
Rash: generalized papulovesicular
Eschar: present
Rickettsia akari
Rickettsialpox
[Rickettsiae]
Vector: body louse
Rash: macular with centrifugal
Eschar: no eschar
Rickettsia prowazekii
EPIdemic typhus
[Rickettsiae]
Vector is rat flea
Rash maculopapular
Eschar: no eschar
Rickettsia typhi
ENdemic typhus
[Rickettsiae]
Vector: chiggers mite
Rash: maculopapular with centrifugal spread
Eschar: no eschar
Orientia tsutsugamushi
Scrub typhus
[Rickettsiae]
Vector: no vector
Rash: no rash
Eschar: no eschar
65% mortality
Coxiella burnetti
Q fever
[Rickettsiae]
Vector: ticks
Rash: maculopapular or petechial
Eschar: none
Ehrlichiosis
E. chaffeensis
Painful genital ulcer
Small gram-negative rod, grows in chocolate agar with factor X
H. ducreyi
Can cause mesenteric adenitis (pseuroappendicitis)
Yersinia enterocolitica
can cause granuloma inguinale
This is Donovanosis
Klebsiella granulomatosis
[Diagnosis]
pseudobuboe, ulceration forms beefy red ulcer with velvety surface
organism has bipolar densities, look like closed safety pins
Donovanosis
Tx: Azithromycin
Organism: K. granulomatosis
