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 ... patients with anemia, diagnose ... perform routine gastric ... Gastrointestinal #Evaluation ... #workup #diagnosis
Gastric Epithelial Polyps - Evaluation and Management 
Hyperplastic Polyps
Fundic gland polyps (FGP)
Gastric Adenomas
Gastric Neuroendocrine Tumours (NET)
Hamartomatous
Gastric Epithelial ... Polyps - Evaluation ... polyps (FGP) Gastric ... Adenomas Gastric ... Epithelial #Polyps #diagnosis
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
Etiologies of Cirrhosis ... Primary biliary cirrhosis ... α1-antitrypsin deficiency ... 14 percent) #Diagnosis ... Differential #Hepatology #Cirrhosis
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Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Causes of Iron Deficiency ... Erosive gastritis, Gastric ... Gastrointestinal #Iron #Deficiency ... #differential #diagnosis
Upper GI Bleed - Stigmata of recent hemorrhage - Prevalence and Risk of Rebleeding.
The stigmata of
#Diagnosis #Gastroenterology ... UpperGI #Rebleeding #Gastric ... Prevalence #Stigmata #EGD
Barrett's Esophagus (BE) Documentation 
1. 1st description as - ESEM (endoscopically suspected esophageal metaplasia), NOT as
(histological diagnosis ... air gently till gastric ... Documentation #EGD ... #diagnosis #gastroenterology
Prague Criteria - For Endoscopically Suspected Esophageal Columnar Metaplasia/Barrett's Esophagus
1) Ensure Hiatus Hernia Is Recognised By
: - tops of gastric ... Barretts #Esophagus #diagnosis ... #endoscopy #EGD
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
regarding the diagnosis ... normal, further evaluation ... Patients with cirrhosis ... C282Y homozygote, evaluation ... hemochromatosis #algorithm #diagnosis
Classification of the stigmata of bleeding ulcers, including prevalence and risks of further bleeding; 

A, clean
#Diagnosis #Gastroenterology ... UpperGI #Rebleeding #Gastric ... Prevalence #Stigmata #EGD
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Celiac Disease - Diagnosis ... serologic marker for evaluating ... IgA deficiency affects ... not establish a diagnosis ... Celiac #Disease #Diagnosis