104 results
The following graph was prepared based on the latest information on Testing for the Diagnosis of
information on Testing ... the Diagnosis of HIV ... chance of giving a false ... it is likely a false ... InfectiousDiseases #HIVAIDS #Testing
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity False-Positive ... False-Negative ... Contingency Table ... Specificity of a test ... #Contingency #Table
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Positives on Drug Tests ... positives on drug tests ... Amphetamine false ... food products • HIV
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
The test characteristics ... AKA the monospot test ... can lead to both false ... positive and false ... Antibody (Monospot) Test
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
immunochemical test ... evaluation • False ... cauliflower, ETOH • False ... to unnecessary testing ... #OccultBlood #Testing
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
The test characteristics ... AKA the monospot test ... can lead to both false ... positive and false
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... Tuberculin skin testing ... (TST) False-negative ... recommended because false-negative ... #Tuberculosis #Testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... (High Rate of False ... NSAlDs resulting in false-positive ... naproxen and modern tests ... not result in false
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Pathogens, and Testing ... and pneumocystis False ... other fungi • False ... Galactomannan #Pathogens #Testing
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... specificity - Falsely ... Celiac #Disease #Testing ... Diagnosis #Workup #Table