19 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
- High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... #Testing #Laboratory ... #Workup #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... Sensitivity indicates ... that any given case ... implies being able ... #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 ... Ferritin-best non-invasive test ... #Comparison #Table
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
IBD Comparison Table ... and normal colon ... ileum • Most cases ... Locality in the setting ... IBD #Comparison #Table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Cancer Screening Tests ... lesions or SSLs • Colon ... Colorectal #Cancer #colon ... #comparison #table ... gastroenterology #CRC #Testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... Renal parenchymal disease ... of renal disease ... • Renovascular disease ... Screening #Workup #table
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Cancer Screening Tests ... lesions or SSLs • Colon ... Colorectal #Cancer #colon ... #comparison #table ... gastroenterology #CRC #Testing
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... hypercalcemia rests ... value of 0.0115, sensitivity ... for correct classification ... Thus, further testing
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... who test positive ... PPV Higher sensitivity ... probability of getting ... but not on the causal
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Differential Diagnosis Algorithm ... • Vanishing Testes ... Syndrome • Absent Testes ... Functional (e.g. eating ... #Causes #OBGyn