415 results
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 ... cut-offs defined in clinical ... >90% (In most clinical ... Galactomannan #Fungal #Testing
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
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Urinalysis Testing ... - UTI Sensitivity ... #Urinalysis #Testing ... #Accuracy #Sensitivity
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
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false ... Serologies #Titers #Sensitivity
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... result with no clinical ... Tuberculin skin testing ... (TST) False-negative ... recommended because false-negative
#Diagnosis #InfectiousDiseases #PJP #PCP #Pneumocystis #Pneumonia #Testing #Tests #Sensitivity #Specificity
Pneumocystis #Pneumonia #Testing ... #Tests #Sensitivity
Ascites: Physical Exam Diagnostic Accuracy

Sensitivity and Specificity: Shifting Dullness, Bulging Flanks. Fluid Wave 

Source: Joseph D.
Diagnostic Accuracy Sensitivity ... Ascites #Accuracy #Testing ... #Sensitivity #Specificity
Ohle R et al. Clinical Examination for Acute Aortic Dissection: A Systematic Review and Meta-analysis. AEM
Clinical Examination ... Dissection #Aorta #Testing ... Signs #Accuracy #Sensitivity