15 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... Specificity is the ... it has a narrow focus ... #Specificity #PositivePredictiveValue ... #Calculation #Table
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Anemia of Chronic Disease ... - Laboratory Testing ... normal but poor sensitivity ... #Laboratory #Testing ... #Comparison #Table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
test - High sensitivity ... and specificity ... and specificity ... #Testing #Laboratory ... Diagnosis #Workup #Table
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Bowel Obstruction Testing ... #Accuracy #Sensitivity ... #Specificity #KUB ... AbdominalXRay #CT #POCUS ... LikelihoodRatio #Comparison #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 ... Glucan-containing gauzes ... Galactomannan #Pathogens #Testing ... Characteristics #Sensitivity ... #Specificity #Laboratory
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
present in 15% of cases ... Demyelinating disease ... caused by the JC ... of serum CrAg testing ... comparable to CSF testing
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... Specificity (rule ... FN) Higher specificity ... PPV Higher sensitivity ... probability of getting
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
infections are caused ... Diagnosis and Testing ... Galactomannan sensitivity ... and low specificity ... vori Infectious Diseases
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... has higher specificity ... test but lower sensitivity ... more time for the laboratory ... Rheumatoid #Arthritis #laboratory
Small Bowel Obstruction on POCUS

This 28yo female with history of Crohn's disease presents with abdominal pain,
Obstruction on POCUS ... history of Crohn's disease ... abdominal pain, nausea ... diagnosed with high sensitivity ... & specificity using