33 results
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 / confusion ... #Contingency #Table
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
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Sensitivity, Specificity ... Cholecystitis #Testing ... Characteristics #Table ... #Sensitivity #Specificity
Differential Diagnosis of Headache - Table

 - Cluster headache
 - Migraine
 - Paroxysmal hemicrania
 - Short-lasting
Differential Diagnosis ... of Headache - Table ... injection and tearing ... Headache #Primary #Differential ... #Comparison #Table
Clinical Presentation and Diagnosis of Common Causes of Vaginitis

#Vaginitis #Differential #Diagnosis #Comparison #Table #Testing #Gynecology #OBGyn
#Vaginitis #Differential ... Diagnosis #Comparison #Table ... #Testing #Gynecology
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
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Sensitivity & Specificity ... breakthrough IFI in HM • False ... BAL GM does not differentiate ... recipients, CGD pts • False ... Frozen ice-pops (in setting
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
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Hyperreflexia #Testing ... #Causes #differential ... #diagnosis #table
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... awaiting confirmatory testing ... Comparison #Diagnosis #Table