37 results
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false ... instead using EBV ... Mononucleosis #EBV ... Serologies #Titers #Sensitivity
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 ... Characteristics #Sensitivity
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 ... confusion matrix Sensitivity ... #Sensitivity #Specificity
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false ... instead using EBV ... Mononucleosis #EBV
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... evaluation • False ... cauliflower, ETOH • False ... to unnecessary testing ... #OccultBlood #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 ... not result in false ... DrugScreening #UDS #Testing
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... and False Positives ... BAL samples • False ... mold-active AF • False ... Galactomannan #Fungal #Testing
Ohle R et al. Clinical Examination for Acute Aortic Dissection: A Systematic Review and Meta-analysis. AEM
Dissection #Aorta #Testing ... Signs #Accuracy #Sensitivity ... VisualAbstract #EBM
Emergency physician interpretation of point-of-care ultrasound for identifying and grading of hydronephrosis in renal colic compared
pubmed/29663580 #EBM ... Comparison #Accuracy #Sensitivity ... #Specificity #Testing
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