12 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
by the screening ... implies being able ... Specificity is the ... NegativePredictiveValue #Calculation ... #Table #PPV #NPV
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and first-level screening ... and specificity ... and specificity ... #Testing #Laboratory ... Diagnosis #Workup #Table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Colorectal Cancer Screening ... , 94% specificity ... Cancer #colon #Screening ... Tests #comparison #table ... 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 ... Tests #comparison #table ... gastroenterology #CRC #Testing
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
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 ... Biostatistics #formulas #calculations
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
metabolic equivalent able ... Ischemic heart disease ... event, follow ACC algorithm ... : - Known CV disease ... Stable patients
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Diagnosis Algorithm ... IgA TTG has high sensitivity ... and specificity ... pts need further testing ... #Diagnosis #Algorithm
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
alterations in the setting ... only 5% of the resting ... in the coronary circulation ... are typically able ... #diagnosis #algorithm
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
alterations in the setting ... only 5% of the resting ... in the coronary circulation ... are typically able ... clinica l#foamed #algorithm