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Epidemiology Chf

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Epidemiology CHF
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April 1, 2013

Epidemiology

Epidemiology is used to help better understand a diseases process, how they work, and how they are transmitted. This helps us to better treat the disease. The process of epidemiology is lengthy but must be followed accurately to ensure correct diagnosis and treatment. Epidemiology is used when a new disease is found and when a disease reappears in high numbers. A common disease in the elderly is congestive heart failure (CHF). The epidemiology process can be used to better understand the disease, what causes it and how to treat it. According to the World Health Organization (WHO), “Epidemiology is the study of the distribution and determinants of health-related states or events (including disease), and the application of this study to the control of diseases and other health problems. Various methods can be used to carry out epidemiological investigations, such as surveillance and descriptive studies that can be used to study distribution and analytical studies are used to study determinants (WHO, 2011). Epidemiology tries to determine what causes disease and what people can do to prevent disease. Epidemiology was first used when scientists tried to discover causes of diseases, such as smallpox and polio (Cornell University, 1993). Epidemiology is no longer limited to transmissible diseases. Epidemiology usually cannot prove a cause of a disease; it can only show certain risk factors that correlate with a higher rate of a specific disease. For example, epidemiology could not prove that smoking causes lung cancer; only that people who smoke cigarettes have a higher rate of lung cancer. Epidemiology shows correlation (Cornell University, 1993). Epidemiology involves specific steps to determine the cause of a specific disease. Using the correct system is imperative...

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