13 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and first-level screening ... test - High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... #Testing #Laboratory
Acute Mesenteric Ischemia - Performance of 
Laboratory Tests (Sensitivity, Specificity) 
- WBC, Lactate, D-dimer, Urine I-FABP

#Mesenteric
Mesenteric Ischemia - Performance ... of Laboratory ... Tests (Sensitivity ... Ischemia #AMI #Testing ... #Diagnosis #Laboratory
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 ... #Laboratory #Testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
but lower sensitivity ... more time for the laboratory ... Screening Tests ... Screening Tests ... Rheumatoid #Arthritis #laboratory
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Performance Characteristics ... Colorectal Cancer Screening ... tests: • FIT: ... Cancer #colon #Screening ... 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
Colorectal Cancer Screening ... Family History Performance ... Colorectal Cancer Screening ... Cancer #colon #Screening ... gastroenterology #CRC #Testing
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
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... out – screening ... who test positive ... PPV Higher sensitivity ... probability of getting
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Gradient diffusion (E test ... concentrations + algorithms ... MIC Infectious Diseases ... #Antibiotic #Sensitivity ... #laboratory #microbiology
Nutrition in Cirrhosis: Dos and Don’ts
Screening:
 • Patients at risk for RFH-Nutritional Prioritizing Tool
 • Low
Dos and Don’ts Screening ... function (Handgrip test ... Global physical performance ... (avoiding long fasting ... effect of long fasting