40 results
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency ... Specificity of a test ... disease, who will test ... FalsePositive #FalseNegative ... #Contingency #Table
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Blood Testing (FOBT ... Guaiac based (g-FOBT ... immunochemical test ... of time) Why FOBT ... FalsePositives #FalseNegatives
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... False Positive gFOBT ... medication #Guaiac #FOBT ... FalsePositive #FalseNegative
Diabetic Foot Guidelines: Test patients w diabetes for peripheral neuropathy using the Semmes-Weinstein test
JAMA. 2017;318(14):1387-1388. doi:10.1001/jama.2017.11700

#Diagnosis
Diabetic Foot Guidelines ... : Test patients ... Semmes-Weinstein test
Abnormal Simmonds-Thompson Test (Positive) for Achilles Tendon Rupture

In this positive Simmonds-Thompson test, there is no plantar
Simmonds-Thompson Test ... Simmonds-Thompson test ... flexion of the foot ... Simmonds #Thompson #Test
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test ... Simmonds-Thompson test ... flexion of the foot ... Simmonds #Thompson #Test
In a patient in the supine position, raising the leg with the knee extended stretches the
A positive test ... dorsiflexion of the foot ... (Fajersztajn’s test ... in a positive test ... This test is 90%
Posteromedial Instability on Knee Exam
This is what a knee with posteromedial instability looks like. Notice the
anterior drawer test ... w/the foot in external
Plantar Reflex (Babinski) Equivalents
Plantar toe reflex - Babinski - Move an object along the lateral aspect
lateral side of the foot ... surface of the foot ... #Alternatives #Tests
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
False-Negative IGRA and TST ... SkinTest #TSTs #IGRA #FalseNegatives