17 results
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 ... Non-invasive testing
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... first-level screening test ... #Testing #Laboratory ... #Workup #Table
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
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup ... strategy with minimal testing ... cultures, but test ... red flags - Low chance ... Balloon Expulsion Test
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 ... #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 ... colon #Screening #Tests ... #management #gastroenterology
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Breath test for ... *Especially if concern ... #Diarrhea #Workup
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
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
ED Treatment of 
Abnormal Uterine Bleeding 

Hemodynamically unstable 
Resuscitation 
 • ABCs! 
 • Fluids +
coagulopathy Pregnancy test ... Hemodynamically stable ... thromboembolic disease ... cardiovascular disease ... Uterine #Bleeding #Management