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Family Rickettsiaceae
Genera?
Gram Negative or Positive?
Size?
Culture?
- Parasitic
- Negative
- Smallest of all Bacteria
- Can grow in chicken eggs
-
Rickettsia prowazekii
Vector?
How does it spread?
Entercirculation?
Brill-Zensser disease?
Location?
Treatment?
- Typhus
- Lice
- Lice Poo
- Gets into intestines
- Reoccurs and becomes chronic
- Worldwide
- Tetracycline
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Ricckettsia typhi
Location?
Vector?
Treatment?
- Central and South America (mostly where there are a lot of rats) US near docks
- Rats
- Tetracycline
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Scrub Typhus
Location?
Vector?
Symptoms?
Treatment?
- Japan
- Chiggers - infects all mammals
- Site of bite heals, 2 weeks later black scab and abscess
- Tetracycline - usually self limiting
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Rickettsia rickettsii
Location?
Vector?
Symptoms?
Diagnosis?
Treatment?
- Rocky Mountain Spotted Fever (RMSF)
- Southeast US (Georgia)
- Wood Tick
- High fever, headache, rash starts on wrists and ankles and spreads to torso (turns to gangrene if untreated)
- Antibody blood test
- Tetracycline
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Coxiella burnetti
Vector?
Location?
Symptoms?
Treatment?
- Q fever (HAS A SPORE)
- Wild Animals play with pets, we breath in spores from pet
- Worldwide (California, Texas)
- Abrupt fever, Chills, Headache
- Tetracycline
-
Bartonella quintana
Vector?
Symptoms?
- Trench Fever
- Lice
- 5 days later shin pain
-
Bartonella henselae
Vector?
Symptoms?
Treatment?
- Cat Scratch Disease (CSD)
- Cat scratch
- Papules of pus, lymph nodes swell
- Tetracycline- usually self resolving
-
Chlamydiacea
Genera?
Gram Positive or Negative?
-
Chlamydia trachomatis - Ocular
Transmission?
Symptoms?
Treatment?
- Finger to eye
- Pinkeye like but "cobble stoning" bumps under eyelid
- Erythromycin or Tetracycline
-
Chlamydia trachomatis- Inclusion Conjunctivitis
Transmission?
Symptoms?
- Infected mother or Finger to eye
- Thick pus around eye
-
Chlamydia trachomatis (STD)
What percent of women don't show symptoms?
What does it cause in women?
What percent of men don't show symptoms?
What does it cause in men?
Lymphogranuloma venereum?
Diagnosis?
Treatment?
- 70%
- 10%
- Cervicitis
- NGU- non-gonacocal uretheritis
- Repeatedly getting it will lead to PID
- DNA probe
- Tetracycline
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Chlamydia psittaci and Ornithosis
Vector?
Symptoms?
Treatment?
- Bird
- Fever, headache, cough
- Tetracycline and Zithromax
-
What is a mycoplasma?
- Smallest of all bacteria
- Doesn't have a cell wall
- Pleomorphic
-
Mycoplasma pneumonia
PAP
Transmitted?
Diagnosis?
Treatment?
- Walking Pneumonia (lingers)
- Primary Atypical Pneumonia
- Aerosols (cough, sneeze)
- History and Physical
- Biaxin for a full 2 weeks
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