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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Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
Irritable Bowel ... Syndrome (IBS) - ... functional somatic syndromes ... Pregabalin #IBS #Irritable ... #Bowel #Syndrome
EGD Nail Removal in the Duodenum
6y M, Hx of 2.5" carpenter's Nail ingestion 3hrs. Very sharp
EGD Nail Removal ... hold from sharp end ... not, trail sharp end ... Removal #Endoscopy #egd
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Endoscopic Bleeding Risk - Summary points from ASGE guideline 

Low Risk Procedures 
 - Diagnostic endoscopy
forceps biopsy (EGD ... - Resections (ESD ... Gastroenterology #EGD
Upper Endoscopy EGD Visualization Checklist

#Upper #Endoscopy #EGD #Visualization #Checklist #gastroenterology #esophagogastroduodenoscopy
Upper Endoscopy EGD ... Upper #Endoscopy #EGD
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
rubber bleb nevus syndrome ... Osler-Weber-Rendu syndrome ... Plummer-Vinson syndrome ... Ehlers-Danlos syndrome ... , Inherited syndromes
Screening and surveillance of varices in patients with cirrhosis. 

- No for screening need if platelets
Surveillance #Hepatology #EGD
Brisk Gastric Bleeding on Upper Endoscopy
87 year old female. Acute bleeding in stomach.  Dieulafoy’s Lesion
Upper #Endoscopy #EGD
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Forrest Classification for Peptic Ulcer Bleeding
Rebleeding risks are without endoscopic intervention
1a - Spurting Bleed - 60-100%
gastroenterology #EGD
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Mirizzi's Syndrome ... Fistula/Bouveret's Syndrome
Acute Esophageal Necrosis
History: Hematemesis and/or melena (70%), Dysphagia, Epigastric/chest pain, Sepsis
Diagnosis EGD and Biopsy
Differential: Melanosis, Melanoma,
Sepsis Diagnosis EGD