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18 Cards in this Set
- Front
- Back
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Define epidemiology. |
Study of patterns, causes and affect of health & disease conditions in defined populations. |
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Contrast incidence and prevalance |
I-number of new cases P- number of actual cases |
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Endemic |
in the population |
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sporadic |
appearing/ happening irregular intervals in time |
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epidemic |
rapid spread |
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pandemic |
occurring on a wide scale |
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Descriptive Epidemiology |
the careful recording of data concerning a disease; it often includes detection of the index case, the first case of the disease in a given population. |
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Analytical epidemiology |
Seeks to determine the probable cause of the disease. Identify patterns. |
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Experimental epidemiology |
involves testing a hypothesis resulting from analytical studies. Uses experimental model to determine causal relationships. |
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Explain how nosocomial infections differ from other infections |
An infection acquired in a health care facility, people already have weakened immune systems |
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Exogenous nosocomial infection |
Organism found in hospital environment often resistant to multiple antimicrobials, it also is a common source for outbreaks ex:UTI |
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Endogenous nosocomial infections |
infection is already present in the body and brought on by conditions present |
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iatrogenic infections |
infection that is spread by healthcare workers |
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What is a superinfection and describe a situation in which these occur |
Second infection superimposed on an earlier infection, especially by a different microbial agent of exogensen endogenous in origin |
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Describe three factors that influence the development of nosocomial infections |
1- Poor antiseptic conditions 2- poor disposal of hazardous waste 3- lack of isolation |
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Three ways public health agencies work to limit spread of disease. |
1- hand washing 2- share information learned 3- isolation |
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Microbe that lives in the colon, how could this kill someone? |
UTI- intestinal puncture was not cleaned properly |
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Emerging disease case study |
lungs congested, didn't clean out the mess in the garage, better environment dampness for it to grow |
