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16 Cards in this Set
- Front
- Back
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What are the bacteria involved in alimentary intoxications? |
S. aureus, Enterobacteria: E.coli, arizona, citrobacter, Streptococci, enterococci, Aerobic sporulates: bacillus cereus Anaerobic sporulates: Cl botulinum and perfringens |
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Clinical pic of alimentary intoxications? |
1.syndrome of discomfort and vomitting. -first signs after 1-8hrs 2. spasms in abdomen and diarrhea, -first signs after 8-16hrs (longer incubation -toxin forming in intestine) 3. fever, spasms in abdomen, diarrhea -first signs after 16-48h. (e.coli, vibrio parahemolyticus) |
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Anitepidemic measures in alimentary intoxication. |
Rehydration therapy. Control of food prep. Contral of dermal disease in cooks. Continuous and complete disinfection .` |
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whats the incubation period of TB? |
6-8weeks |
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Causes of spread and growth of TB? |
onset of AIDS, polyresistant strains, social/economic influences, migration of population, poverty, |
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Vaccine for TB? |
many countries use BCG as part, according to WHO its the most used vaccine, south africa has the highest prevalence, Screening is : mantoux tuberculin test. |
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What is the causative agent for meningococcal infections? How does it manifest? |
N. meningitids Gram -ve. causes bronchitis and tracheitis, with sever manifestation of meningitis and meningococcemia. then to vasculitis and thrombosis of vessels resulting in cerebral edema. |
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What are the clinical features of meningococcal infections? |
abrupt onset of fever, intensive headache, joint pain, nausea, vomitting, photophobia, drowsiness, impairement of consciousness, redish violet spots on skin, -can manifest through pharyngitis, bronchitis and pneumonia. |
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How do you dg. meningococcal infections? |
+ve culture of n.meningitidis from luquor or blood, direct detection of the antigens, clinical pic of menigitis or sepsis. |
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What groups of n.meningitis are involved in 80% of the cases, how is it transmitted and whats the incubation period? |
groups A,B,C, Incubation period of 1-10days (mostly 3-4) |
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What is the tx. of meningitids? |
penicillin and supportive care. |
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Prevention of meningitis? |
Meningococcal polysaccharide vacine A+C only when requested. Vaccination of service soldiers or those travelling to affected areas. |
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Hemophilic infections are caused by? |
H. influenza, H.hemolyticus, h.parainfeluinzea |
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What infections do they cause? H.influenza |
Infections of the upper resp. tract , and are hazardous are the epiglottis, ottism sinusitis, bronchitis, meningits, or pneumonia |
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Typical manifestations of enteric infections? |
Diarrhea, vommitting, fever, dehydration, |
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Causative agents of |
to be contd. |
