[POPM 3240] - Final Exam Guide - Comprehensive Notes for the exam (46 pages long!)

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Epidemiology: study of the frequency, distribution and determinants of health and disease and application of this to control health problems, aims to improve control of disease through prevention and treatment. Disease, illness, health are not randomly distributed. Based o(cid:374) i(cid:374)dividual"s p(cid:396)edispositio(cid:374) (cid:894)ge(cid:374)eti(cid:272) o(cid:396) a(cid:272)(cid:395)ui(cid:396)ed(cid:895) Primary prevention: action taken to prevent disease in healthy person (immunization, reduce exposure) Secondary prevention: identify people in preclinical phase of disease (not showing symptoms) to reduce severity, early detection (ex. screening for cancer) Tertiary prevention: preventing complications in a diseased individual already showing symptoms (clinical phase), lessen impact of disease. Combo of both is ideal: population-based: applied to entire population, high-risk approach: target high-risk groups (can be more expensive and invasive) The epidemiological approach: determine association between exposure to some factor or characteristic and development of disease, figure out of the relationship is causation or just correlation. Observation to action (examples: ignaz semmelweis & childbed fever. Many woman dying after childbirth from unknown causes.