Dr. Michael Chew @mchew85
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GrepMed Gastroenterology-Hepatology Editor, Academic Hospitalist UC Davis Medical Center Internal Medicine, Yale Gastroenterology Fellow '22
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Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... Bidirectional endoscopy ... biopsies Capsule endoscopy ... bidirectional endoscopy ... Gastrointestinal #Evaluation
Functional Dyspepsia - Pathophysiology, Diagnosis and Management
Risk factors: Non-steroidal anti-inflammatory drugs, Psychological comorbidity, Helicobacter pylori infection,
Functional Dyspepsia ... structurally normal endoscopy ... Early satiety #Functional ... Diagnosis #Management #algorithm
The Gastroenterology Consult Primer
Guide to Calling a GI Consult
HPI:
 - Start with reason for consult
Primer Guide to Calling ... History - Prior endoscopy ... & endoscopist ... GIConsult #Primer #Calling
The Liver Consult Primer - Guide to calling a consult
HPI:
 - Start with reason for consult
Primer - Guide to calling ... paracentesis - Prior endoscopy ... & endoscopist ( ... GIConsult #Primer #Calling
Colon Polyp Removal Algorithm - Endoscopy or Surgery Referral
Studies show polyp removal surgeries are performed at
Polyp Removal Algorithm ... - Endoscopy or ... #Colon #Polyp #Algorithm
Gastric Intestinal Metaplasia (GIM)
 • GIM is a precancerous, histopathologic change characterized by replacement of normal
Clinical decision algorithm ... GIM management Endoscopic
Endoscopic Ultrasound Lesion - Evaluation Checklist
1. Endoscopic appearance of covered mucosa (if SEL)
2. Location (with layer
Endoscopic Ultrasound ... Lesion - Evaluation ... Endoscopic appearance ... EUS #checklist #Endoscopic ... Ultrasound #Lesion #Evaluation
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... indicate the initial evaluation ... history alongside evaluation ... LFTs #Abnormal #Algorithm
Treatment of Pouchitis
 • Microbiota-associated - Antibiotics (ciproflaxcin, metronidzole, tinidazole, amoxicillin)
 • Immune-mediated - Budesonide, Mesalamines;
• Structural/functional ... obstruction-fecal stasis - Endoscopic
Variceal Screening Algorithm in Cirrhosis
No varices -> repeat 2-3 years 
Small varices->repeat 1-2 years unless child
Variceal Screening Algorithm ... Variceal #Screening #Algorithm ... varices #hepatology #endoscopy