Epidemiology - Concepts

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6 Terms

1
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What is Epidemiology?

study of disease determinants and distribution

2
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Purpose of Epidemiology?

to find:

  • cause

  • amount of disease

  • usual course of disease

  • preventions & treatments

  • policies to help reduce disease

3
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how does disease distribution change as a country becomes industrialized?

Chronic/non-communicable (e.g. heart disease) goes up

Infectious disease (e.g. flu) goes down

4
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why is it important to find high risk groups?

identifying high risk groups 1) help them realize what they gotta do to help 2) allow for targeted interventions

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Why is it important to identify subclinical cases?

for secondary prevention and also to prevent disease spreading

6
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What factors affect disease risk?

  • who

    • sex, age, race, behavior

  • when

    • some disease have periodicity

  • where

    • some regions have greater prevalence of certain disease