Unit C Flashcards
What is the bacterial name for syphilis?
Treponema pallidum
How is syphilis transmitted?
Sexually transmitted. Also mother to fetus.
Who is at highest risk of syphilis?
Unborn babies, men who have sex with men. poor urban residents and drug addicted m and f prostitutes
Major symptoms of syphilis?
1: Chancre 2: Rash 3: Gummas and Neurosyphilis
Toxins produced by syphilis?
No toxins. An overactive immune response.
Prevention of syphilis?
Condoms. Don’t touch chancres. Penicillin to avoid transmission to baby.
what bacteria causes lyme disease?
Borrelia burgdorferi
how is it transmitted?
deer ticks
who is at highest risk for lyme disease?
occupational: farmers. also those who live in New England.
Major symptoms of lyme disease?
- EM rash, flu-like symptoms. 2. AV blockage, arrythmia, meningitis/facial paralysis. 3. arthiritis, joint damage, inflammation of nerves. irreversible damage.
toxins produced by lyme disease?
none. an overactive immune response.
Prevention of lyme disease?
Prevent/remove tick. vaccinate cattle and dogs. use DEET solution.
bacteria that causes leptospirosis?
Leptospira interrogans
how is it transmitted?
animal urine. transmission thru skin is uncommon, more common thru food and water.
who is at risk of lepto?
occupational: vets, farmers, ranchers, sewer workers.
symptoms of lepto?
vasculitis (sub clinical: dry cough, nausea, diahrrea). aseptic meningitis. flu like swollen glands and muscle aches.
prevention of lepto?
Vaccine for dogs and cattle, NOT humans.
bacteria that causes pseudomonas?
Pseudomonas aeruginosa
transmission of pseudo?
nosocomial- esp burns unit and NICU. moist areas.
highest risk of pseudo?
cystic fibrosis sufferers, IV drug users, AIDs patients. nosocomial.
symptoms of pseudo?
pneumonia. cytotoxic and necrosis. dissolves tissue. can cause urinary tract infections, dermatitis, bone and joint infections, bacteremia.
toxins produced by pseudo?
exotoxin A (protease- dissolves protein).
prevention of pseudo?
dont use dirty needles. good hygiene in hospitals- intervene in transmission
bacteria that causes legionnaires?
Legionella pneumophilia.
transmission of legion?
water aerosol transmission.
high risk of legion?
diabetics, elderly, smokers, immunodeficient.
major symptoms of legion?
pneumonia- lungs fill w/liquid.
toxins?
overactive immune response
prevention?
HOT HOT water. steam humidifiers. clean and replace water filters and air filters regularly.
bacteria for brucellosis?
brucella
transmission?
ingesting unpasteurised dairy.handling swine meat, delivery of aborted calves.
high risk?
occupational. vets, ranchers.
symptoms?
pain, undulating fever, headache, night sweats, englarged organs, joint aches, swollen lymph nodes, malaise.
toxins?
overactive immune response
prevention?
animal vaccines- cattle and buffalo. consume pasteurised dairy.
bacteria for whooping cough?
Bordatella pertussis
transmission?
human resp tract.
high risk?
unvac and under 1
symptoms?
- cold like, runny nose, cough 2. acute violent cough. 3. 100day convalesent cough.
toxins?
tracheal cytotoxin. pertussis toxin.
prevention?
DTaP vaccine. Adacel booster