824 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... the ambulatory setting ... to unnecessary testing ... #OccultBlood #Testing ... FalsePositives #FalseNegatives
Causes of False-Positive and False-Negative IGRA and TST Results

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

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
positive TST or IGRA ... IGRA/QuantiFERON-TB ... Tuberculin skin testing ... microscopy • Testing ... #Tuberculosis #Testing
Testing for Diabetes Type II
 - 
Hemoglobin A1c test
 - Random blood sugar test
 - Fasting
Testing for Diabetes ... sugar test - Fasting ... Classification #Testing
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
release assay (IGRA ... #Tuberculosis #Testing ... TuberculinSkinTest #IGRA
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
negative with IgA ... patients with IgA ... and specificity IgA ... patients with IgA ... Celiac #Disease #Testing
Celiac Disease Testing Algorithm
INDICATIONS FOR TESTING:  Nonspecific symptoms (iron-deficiency anemia, failure to thrive, fever, skin
Celiac Disease Testing ... INDICATIONS FOR TESTING ... tTG IgG and DGP IgGa ... by IFA • DGP IgA ... • HLA testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
diarrhea before testing ... and treating to ... reduce unnecessary testing ... Diarrhea #Algorithm #Testing
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
present on repeat testing ... including overnight testing ... casts • IgA
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
FalsePositive #FalseNegative