117 results
Positive and Negative Likelihood Ratios Calculations
#Diagnosis #Likelihood #Ratios #LR #Calculations #Equations #Positive #Negative
Positive and Negative Likelihood ... Calculations #Diagnosis #Likelihood ... #Calculations #Equations
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
Likelihood Ratios ... - Probability Remember ... increases the probability ... increases the probability ... BrighamChiefs #Likelihood
Draw a connecting your pre-test probability and your likelihood ratio. This provides you with your post-test
your pre-test probability ... and your likelihood ... your post-test probability
To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
function, prediction equations ... Cockcroft-Gault equation ... Disease (MDRD) equation ... version of this equation ... , render these equations
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4-T Score for the Likelihood of Heparin Induced Thrombocytopenia
 - Thrombocytopenia - Compare the highest platelet
count
Score for the Likelihood ... 3 points: Low probability ... : Intermediate probability ... 8 points: High probability ... Thrombocytopenia #Likelihood
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... negatives Positive Likelihood ... Specificity) Negative Likelihood ... #Epidemiology #Equations
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Indication → Pre-test Probability ... Specificity → Likelihood ... Step 2: Pre-test Probability ... Develop a pre-test probability ... final post-test probability
Hypovolemia on Physical Exam - Likelihood Ratios
 - Sunken eyes
 - Abnormal skin turgor (subclavicular area)
Physical Exam - Likelihood ... significantly change probability ... #PhysicalExam #Likelihood
Dyspnea - Likelihood Ratios for Physical Exam Maneuvers

- bethgarbitelli @bethgarbitelli

#Dyspnea #Likelihood #Ratios #LRs #PhysicalExam #Maneuvers #diagnosis
Dyspnea - Likelihood ... bethgarbitelli #Dyspnea #Likelihood
Heparin Induced Thrombocytopenia (HIT) - 4T Score

The 4T score is useful to establish pre-test probability of
establish pre-test probability ... 3 points: Low probability ... : Intermediate probability ... 8 points: High probability