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17 Cards in this Set
- Front
- Back
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Likelihood that a patient with a disease will have a + result.
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Sensitivity
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Likelihood that a patient without disease will have a negative test result.
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Specificity
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Total # of people with a disease in a population being studied
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Prevalence
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Likelihood that a negative result in a patient is a TN rather than a FN.
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PV-
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If sensitivity is 100%, what is PV-?
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Always 100%
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What reflects the SD (variation from the mean)?
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Precision
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What is the ability of a measurement to be consistently reproduced?
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Precision
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What is determined by lab measurement of controls with known assay values?
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Accuracy
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How can you create a test with 100% sensitivity?
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set the upper limit of normal at the beginning of the disease curve. (overlap in normal population- no FNs)
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How can you create a test with 100% specificity?
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set the upper limit of test at the end of the normal curve (No FPs)
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Excess estrogen during pregnancy, causes an increase in _____? This increases _____?
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TBG
Total T4 (without increasing FT4 or TSH) |
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Peaked T-waves
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Hyperkalemia
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U-wave (extra wave)
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hypokalemia
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TG derived from the liver; infranate
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VLDL
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TG that travels to other sites; carries CH
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LDL
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Enhances P450 system
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alcohol
barbiturates phenytonin |
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Decreases P450 system
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cimetidine
proton blockers |
