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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Barrett's Esophagus (BE) Documentation 
1. 1st description as - ESEM (endoscopically suspected esophageal metaplasia), NOT as
(histological diagnosis ... w/ Prague C&M criteria ... is lined with columnar ... 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 ... Hiatus Hernia Is ... #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
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
of pathway and is ... metabolic syndrome criteria ... sought to support a diagnosis ... Areas of diagnostic ... #Differential #Diagnosis
Rome IV Criteria for the Irritable Bowel Syndrome.

#Diagnosis #PrimaryCare #IBS #IrritableBowelSyndrome #RomeIV #Criteria
Rome IV Criteria ... #Diagnosis #PrimaryCare ... #IBS #IrritableBowelSyndrome ... #RomeIV #Criteria
Rome III criteria emphasize importance of stool consistency to distinguish 3 subtypes of IBS - JAMA
Rome III criteria ... 3 subtypes of IBS ... JAMA_current #Diagnosis ... #PrimaryCare #IBS ... IrritableBowelSyndrome #RomeIII #Criteria
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
for diagnosing ... months before diagnosis ... months before diagnosis ... months; the pain is ... patient • The pain is