49 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the proportion ... implies being able ... Specificity is the proportion ... #Calculation #Table ... #PPV #NPV #Formulas
To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
predict GFR, these formulas ... commonly used formulas ... are shown in Table ... Neither formula ... #Calculation #Formulas
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency Table ... a test is the proportion ... #Contingency #Table
To get the most out of the sediment examination it is important to approach it in
clinical scenario and formulate ... compartments (Table ... information and formulate ... #Differential #Table
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
Abd pain “out of proportion ... differences #diagnosis #table
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
– screening): proportion ... confirmatory): proportion ... PPV: proportion ... NPV: proportion ... Biostatistics #formulas
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval is inversely proportional ... rate • Bazett formula ... QTc correction formulas
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
rises from the table ... rise from the table ... ligament #clinical #video
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
rises off the table ... Video via @open_michigan ... PhysicalExam #clinical #video
Table 2: Relative potency of topical corticosteroids*
TC are divided into four groups according to their potency
Table 2: Relative ... British National Formulary ... least potent [Table ... Steroids #Potency #Table