11 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
test - High sensitivity ... expensive Small bowel ... #Disease #Testing ... Tests #Diagnosis #Workup ... #Table
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
Diagnosis and Workup ... strategy with minimal testing ... Food allergy/ sensitivity ... testing unless ... - Rule out celiac
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... value of 0.0115, sensitivity ... for correct classification ... Thus, further testing ... #Differential #Algorithm
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
tests Test for celiac ... serology first Small bowel ... Non-invasive testing ... identification of small bowel ... Gastrointestinal #Evaluation #workup
Management of Abdominal Distension and Bloating - Treatment Algorithm

Definitions
Pathophysiology
Organic/Pathologic Etiologies:
 • Small Intestinal Bowel Overgrowth (SIBO)
Bloating - Treatment Algorithm ... Small Intestinal Bowel ... Intolerance • Celiac ... • Irritable Bowel ... Diagnostics and Testing
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Small Bowel Obstruction ... Testing Accuracy ... Diagnosis #SBO #Testing ... #Accuracy #Sensitivity ... LikelihoodRatio #Comparison #Table
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Diagnosis Algorithm ... IgA TTG has high sensitivity ... pts need further testing ... Disease #Diagnosis #Algorithm ... gastroenterology #workup
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy)

Pill endoscopy
 • Able to
Modalities for Workup ... endoscopy limits, high sensitivity ... of most small-bowel ... presence of small bowel ... and inflammatory bowel
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Weight Loss - Differential Diagnosis Algorithm
Decreased Intake:
 • GI illness (upper and lower)
 • Psychiatric (Depression,
Differential Diagnosis Algorithm ... Psychiatric (Depression, eating ... Malabsorption: • Small Bowel ... Crohn's Disease, Celiac ... Inflammatory Bowel