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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6 results
Barrett's Esophagus (BE) Documentation 
1. 1st description as - ESEM (endoscopically suspected esophageal metaplasia), NOT as
Barrett's Esophagus ... (histological diagnosis ... w/ Prague C&M criteria ... Documentation #EGD ... #diagnosis #gastroenterology
Prague Criteria - For Endoscopically Suspected Esophageal Columnar Metaplasia/Barrett's Esophagus
1) Ensure Hiatus Hernia Is Recognised By
Prague Criteria ... Metaplasia/Barrett's Esophagus ... #Barretts #Esophagus ... #diagnosis #endoscopy ... #EGD #gastroenterology
Endoscopic Bleeding Risk - Summary points from ASGE guideline 

Low Risk Procedures 
 - Diagnostic endoscopy
Procedures - Diagnostic ... forceps biopsy (EGD ... endoscopy - EUS ... Gastroenterology #EGD ... LowRisk #HighRisk #Diagnosis
Acute Esophageal Necrosis
History: Hematemesis and/or melena (70%), Dysphagia, Epigastric/chest pain, Sepsis
Diagnosis EGD and Biopsy
Differential: Melanosis, Melanoma,
chest pain, Sepsis Diagnosis ... EGD and Biopsy ... Necrosis #black #esophagus ... #diagnosis #management
Eosinophilic Esophagitis (EoE) - Spectrum of Response
Non-response:
 • Histology: Persistent eosinophilia, ≥ 15 eos/hpf
 • Symptoms:
eosinophilia, ≥ 15 eos ... eosinophilia, 7-14 eos ... /hpf 1-6 eos/hpf ... Endoscopy: Normal esophagus ... EoE #Response #diagnosis
Esophageal Motility Disorders
Obstructive Physiology: EGJ, Distal Esophagus
Distal Contractility: Hyper-contractile, Hypo-contractile
Type I achalasia, Type II achalasia, Type
Obstructive Physiology: EGJ ... , Distal Esophagus ... Ill achalasia, EGJ ... contractility, End-stage ... gastroenterology #diagnosis