15 results
Commonly Used Diagnostic Tests for Celiac Disease

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

#Mesenteric
Mesenteric Ischemia - Performance ... of Laboratory Tests ... (Sensitivity, Specificity ... Ischemia #AMI #Testing ... #Diagnosis #Laboratory
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... diseased by the screening ... will correctly diagnose ... scores on the screening ... it has a narrow focus
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
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
but lower sensitivity ... Screening Tests ... Screening Tests ... (to support a diagnosis ... laboratory #workup #diagnosis
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 ... Thus, further testing ... #Differential #Algorithm
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
- Differential Diagnosis ... Algorithm No onset ... • Vanishing Testes ... Functional (e.g. eating ... #Algorithm #Causes
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... out – screening ... PPV Higher sensitivity ... probability of getting ... #calculations #diagnosis