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11 Cards in this Set
- Front
- Back
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What is prognosis?
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prediction of how a patient's condition will progress
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What things should be conveyed in a prognosis?
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expected outcome
how long it will take to see the outcome the likelihood of the expected outcome occurring |
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How is prognosis generated?
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experience
published data colleagues |
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What are some measures associated with prognosis?
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case fatality
survival |
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What types of study designs are helpful to determine prognosis?
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systematic reviews (hard to come by)
cohort studies |
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How much "loss to follow up" is acceptable?
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generally less than 5%, possibly up to 10%
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What factors of a study indicate it is suitable to help determine prognosis?
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long enough study period
high percentage remained in the study sufficient follow up animals in the same stage of disease patients similar to the one in question |
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What is screening?
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identification of unrecognized disease in an apparently well animal
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Is a screening test sufficient for diagnosis?
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no, must be referred for diagnosis and treatment if IDed by the screening test
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Why are screening tests important?
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catch the disease early so you can treat it better, stop an outbreak, etc
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What occurs if you can diagnose the disease better but cannot improve treatment?
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false prolonging of the survival time may occur, because you know about the disease longer
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