15 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... and first-level screening ... #Diagnosis #Workup ... #Table
Colorectal Cancer Screening and Polyp Surveillance Intervals
Colon Cancer Screening - Modality - Interval:
 • Colonoscopy -
Colorectal Cancer ... Screening and Polyp ... Multitarget DNA stool test ... Surveillance #Intervals #management ... #gastroenterology
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
test (i.e. they ... probability that the test ... identified by the test ... that the test will ... #Calculation #Table
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... disease with serology ... change medical management
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... dexamethasone suppression test ... #Workup #table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Screening Tests ... Stool/blood-based tests ... Multitarget stool DNA test ... #Tests #comparison ... #table #management
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
scan – get if concern ... Check pregnancy test ... affects diagnostic workup ... choices AND management ... Diagnosis #Algorithm #Workup
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Screening Tests ... Stool/blood-based tests ... Multitarget stool DNA test ... #Indications #Tests ... #management #gastroenterology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Chronic kidney disease ... Lymphoma • Lung cancer ... Progressive lung disease ... Tuberculin skin test ... TB #Diagnosis #Management
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup ... cultures, but test ... red flags - Low chance ... Balloon Expulsion Test ... #gastroenterology