 | Term | Definition |
| |
Epidemiology |
Study of diseases; study of trends of diseases in a target population |
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Incidence |
The total number of new cases seen within a calender year |
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Prevalence |
The number of people infected at any given time |
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Mortality |
The number of people that are dead |
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Morbidity |
The state of illness or the number of people in a given population that are ill |
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Endemic |
Average or normal number of cases of a disease in a certain population |
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Epidemic |
Arises when the level of disease in a certain poplulation exceeds the endemic level, and the level of destruction will be so large that it will cause a significant public health concern |
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Prevalance |
Total numer of cases, both old and new, in a given population at risk at a point in time |
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Incidence |
Number of new cases of a disease within a specific time period in a given population |
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Etiology |
The cause of a disease or abnormal condition. You do this by observation. |
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Risk factors |
Specific conditions associated with high frequencies of a disease |
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Index |
First identified case of a disease in an epidemic |
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Surveillance |
Close observation of a person or group |
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Chain of infection (4 factors) |
Host Resistance, Viurilance, Concentration, Port of entry |
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Types of Blood bourne Transmission |
Person to Person or Splash of blood |
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Types of Air bourne Transmission |
Aersol, Mist, Spatter, Staff to patient, Patient to worker |
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Types of Cross contamination |
Contact with contamination, and Patient to Patient |
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Food Transmission (2 common types) |
E. coli and Salmonella |
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Types of Oral/Fecal |
Direct Touching, Indirect contact surfaces |
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Carrier Transmittion |
Harbor without symptoms |
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Autogeneous Transmittion |
Self infection |
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Trasnsient bacteriemia |
Bacteria getting into blood stream |
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Bacterial Endcaditis |
inflamation of the heart caused by bacteria |
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