11 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and first-level screening ... test - High sensitivity ... Celiac #Disease #Testing ... #Diagnosis #Workup ... #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
diseased by the screening ... Specificity is the ... scores on the screening ... #Specificity #PositivePredictiveValue ... #Calculation #Table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Colorectal Cancer Screening ... tests: • FIT: ... Cancer #colon #Screening ... #table #management ... gastroenterology #CRC #Testing
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
hypercalcemia rests ... value of 0.0115, sensitivity ... ) was 0.80 and specificity ... Thus, further testing ... #Differential #
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Colorectal Cancer Screening ... Colorectal Cancer Screening ... Cancer #colon #Screening ... #comparison #table ... gastroenterology #CRC #Testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... Testing Common ... #Screening #Workup ... #table
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Step 1) Screening ... have almost 100% specificity ... for AI (but low sensitivity ... require Cosyntropin testing ... Step 3) Differentiate
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... has higher specificity ... but lower sensitivity ... Screening Tests ... Screening Tests
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Amenorrhea - Differential ... Diagnosis Algorithm ... • Vanishing Testes ... #Causes #OBGyn
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... Sensitivity (rule ... out – screening ... Specificity (rule ... FN) Higher specificity