![]() Have adverse (and possibly iatrogenic) effects (e.g., large bowel perforation secondary to a colonoscopy)īe expensive, unpleasant, and/or inconvenient Must have a course of events that is acceptable to patient if a positive test result is receivedĮven if a screening test is available, however, that does not mean it should always be used to screen for a particular disease. Must be valid, i.e., must have proven in trials to decrease overall mortality ![]() Remember, if tests are used on individuals with symptoms, they are not screening tests.įor a screening test to be recommended for regular use in clinical medicine, it must have been extensively studied and must meet the following requirements: ![]() The goal is early detection, so that the impact of disease can be reduced. They help to identify those at increased risk of disease or those with disease but no symptoms. Screenings are tests which detect potential health disorders in those without symptoms. 1 Preventive Medicine LEARNING OBJECTIVESĭescribe appropriate screening methods as they apply to neoplasms of the colon, breast, cervix, and lungĭescribe epidemiological data related to incidence and prevention of common infectious disease, chronic illness, trauma, smoking, and travel risks SCREENINGS
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