12 results
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Cholecystitis #Testing ... Characteristics #Table ... #Sensitivity #Specificity ... LikelihoodRatio #Accuracy
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
by the screening ... Specificity is the ... scores on the screening ... #Specificity #PositivePredictiveValue ... #Calculation #Table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and first-level screening ... test - High sensitivity ... and specificity ... #Testing #Laboratory ... #Workup #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
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
Diagnosis and Screening ... Testing Common ... of renal disease ... #Screening #Workup ... #table
"Imagine you're running airport security, screening passengers (tests) to catch dangerous items (diseases). Now meet your
airport security, screening ... passengers (tests ... dangerous items (diseases ... If a test has high ... miss some real cases
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... out – screening ... Specificity (rule ... FN) Higher specificity ... error Validity (“accuracy
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... has higher specificity ... but lower sensitivity ... Screening Tests ... Screening Tests
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... Step 1) Screening ... have almost 100% specificity ... for AI (but low sensitivity ... require Cosyntropin testing