8 results
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Tests Stool/blood-based ... • Multitarget stool ... DNA test: 92% sensitivity ... #Tests #comparison ... gastroenterology #CRC #Testing
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 ... • Multitarget stool ... DNA test: 92% sensitivity ... #comparison #table ... gastroenterology #CRC #Testing
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Disease - Laboratory Testing ... SUMMARY: - ... normal but poor sensitivity ... Ferritin-best non-invasive test ... #Comparison #Table
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup Summary ... strategy with minimal testing ... cultures, but test ... Food allergy/ sensitivity ... testing unless
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... Step 1) Screening ... for AI (but low sensitivity ... require Cosyntropin testing ... Insufficiency #Algorithm
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
and Management Summary ... IPVDs Diagnostic Testing ... Non-invasive initial screening ... tool using cutoff ... 80mmHg or A-a gradient
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... Abx → circular gradient ... diffusion (E test ... concentrations + algorithms ... #Antibiotic #Sensitivity
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Biostatistics Summary ... Sensitivity (rule ... out – screening ... PPV Higher sensitivity ... probability of getting