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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11 results
Acute Esophageal Necrosis
History: Hematemesis and/or melena (70%), Dysphagia, Epigastric/chest pain, Sepsis
Diagnosis EGD and Biopsy
Differential: Melanosis, Melanoma,
Acute Esophageal ... chest pain, Sepsis Diagnosis ... EGD and Biopsy ... KBrag_MD #Acute #Esophageal ... black #esophagus #diagnosis
Management of Jackhammer Esophagus or Esophageal Spasm
Step 1: Assess the severity of the motility disturbance
Step 2:
Management of Jackhammer ... Esophagus or Esophageal ... Consider further diagnostics ... Jackhammer #Esophagus #Esophageal ... #Spasm #Management
Endoscopic Bleeding Risk - Summary points from ASGE guideline 

Low Risk Procedures 
 - Diagnostic endoscopy
Procedures - Diagnostic ... forceps biopsy (EGD ... Gastroenterology #EGD ... LowRisk #HighRisk #Diagnosis ... #Management #Guidelines
Barrett's Esophagus (BE) Documentation 
1. 1st description as - ESEM (endoscopically suspected esophageal metaplasia), NOT as
endoscopically suspected esophageal ... (histological diagnosis ... Documentation #EGD ... #diagnosis #gastroenterology
Esophageal Motility Disorders
Obstructive Physiology: EGJ, Distal Esophagus
Distal Contractility: Hyper-contractile, Hypo-contractile
Type I achalasia, Type II achalasia, Type
Esophageal Motility ... Ill achalasia, EGJ ... obstruction, Distal esophageal ... peristalsis, GERD #Esophageal ... gastroenterology #diagnosis
Prague Criteria - For Endoscopically Suspected Esophageal Columnar Metaplasia/Barrett's Esophagus
1) Ensure Hiatus Hernia Is Recognised By
Endoscopically Suspected Esophageal ... Barretts #Esophagus #diagnosis ... #endoscopy #EGD
Endoscopy - Management of Bleeding Esophageal Varices 
What to Band?
 - Always find the varix that
Endoscopy - Management ... of Bleeding Esophageal ... EGD and the Banding ... #Bleeding #Esophageal ... fellows #endoscopy #egd
Gastric Intestinal Metaplasia (GIM)
 • GIM is a precancerous, histopathologic change characterized by replacement of normal
pylori) gastritis Clinical ... algorithm for GIM management ... Metaplasia #GIM #diagnosis ... #management #gastroenterology
Pancreatic cystic lesions (PCLs)
 - classified into simple retention cysts, pseudocysts and cystic neoplasms 
 -
histological and clinical ... characteristics - various diagnostic ... gastroenterology #diagnosis ... #management #differential
Boerhaave Syndrome on Endoscopy - Pleural Space

Massive Spontaneous Esophageal Perforation (Boerhaave Syndrome) in active COVID 19
Massive Spontaneous Esophageal ... Boerhaave #Syndrome #clinical ... endoscopy #video #EGD