14 results
clinical ultrasound diagnosis epidemiology calculations statistics cbd equations mnemonic ppv sensitivity specificity abdominal commonbileduct formulas negativepredictivevalue normal positivepredictivevalue ruq table
Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... #specificity #PPV ... #NPV
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix Sensitivity refers to the test's ability to correctly
False-Negative Contingency ... FalseNegative #Contingency ... ConfusionMatrix #Biostatistics
USMLE Epidemiology and Biostatistics Summary Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... PPV: proportion ... NPV: proportion ... sensitivity -> higher NPV ... #Epidemiology #Biostatistics
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
it has a narrow focus ... Calculation #Table #PPV ... #NPV #Formulas
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 Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
NegativePredictiveValue #NPV ... #Biostatistics
The Gastroenterology Consult Primer Guide to Calling a GI Consult HPI: - Start with reason for consult
lipase PMH: - Focus ... Course: - NPO
Common Bile Duct (CBD) on Abdominal Ultrasound The key to finding CBD is to look anteriorly to
tube above the PV ... clinical #ultrasound #pocus
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 Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease Positive
PositivePredictiveValue #PPV ... #Biostatistics
Appendicitis on POCUS 68 y/o male with acute RLQ pain, involuntary guarding, WBC 20. Probe where
Appendicitis on POCUS ... IV abx, IVF, NPO ... #Appendicitis #POCUS
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 VExUS - Venous Excess Ultrasound Score Grade 0 - IVC grade < 3, HD grade 0,
3, HD grade 0, PV ... but normal HV/PV ... abnormalities in HV/PV ... abnormalities in HV/PV ... Congestion #Diagnosis #POCUS
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