183 results
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
can cause a ↓ specificity ... (i.e. more false ... Specificity can ... adjusted d-dimer testing ... pathophysiology #hematology #differential
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 ... Sensitivity Specificity ... 96% • Higher specificity ... in BAL does not differentiate ... Galactomannan #Fungal #Testing
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
(Sensitivity, Specificity ... Fasciitis #LRINEC #Testing ... #Sensitivity #Specifiity
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 ... the condition Specificity ... Specificity of a
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 ... #Sensitivity #Specificity
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Urinalysis Testing ... Sensitivity and Specificity ... #Urinalysis #Testing ... #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 ... #Sensitivity #Specificity
Ascites: Physical Exam Diagnostic Accuracy

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

Source: Joseph D.
Sensitivity and Specificity ... Ascites #Accuracy #Testing ... #Sensitivity #Specificity
#Diagnosis #InfectiousDiseases #PJP #PCP #Pneumocystis #Pneumonia #Testing #Tests #Sensitivity #Specificity
Pneumocystis #Pneumonia #Testing ... #Sensitivity #Specificity
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