14 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... impractical to test ... many possible causes ... pick specific tests ... #Diarrhea #Algorithm
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... and first-level screening ... test - High sensitivity ... Celiac #Disease #Testing ... Diagnosis #Workup #Table
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Anemia vs Anemia of Chronic ... Disease - Laboratory Testing ... normal but poor sensitivity ... non-invasive test ... #Comparison #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
test (i.e. they ... probability that the test ... identified by the test ... that the test will ... term, a specific test
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
treponemal antibody tests ... specific trep. tests ... RPR) Non-trep tests ... labor-intensive treponemal test ... new and old trep test
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... dexamethasone suppression test ... #table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Tests Stool/blood-based ... tests: • FIT: ... Multitarget stool DNA test ... #Tests #comparison ... #table #management
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Tests Stool/blood-based ... tests: • FIT: ... Multitarget stool DNA test ... #Indications #Tests ... #comparison #table
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Step 1) Screening ... Test: 6-8AM Cortisol ... for AI (but low sensitivity ... ) Confirmation Test ... This test determines
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
disease who test ... then all negative tests ... without disease who test ... then all positive tests ... reproducibility of test