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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gastroenterology causes management boerhaave deficiency disorders egd endoscopy eoe eosinophilic esophagitis hepatology low video abdominalpain acute algorithm anemia black bleeding
Causes of Small Bowel Bleeding - Differential Diagnosis Common Causes: • Under age 40 years: Inflammatory Bowel
Bowel Bleeding - Differential ... Diagnosis Common ... , Inherited syndromes ... SmallBowel #Bleeding #Differential ... #Diagnosis #Causes
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 Differential ... Necrosis #black #esophagus ... #diagnosis #management
Abnormal liver function tests algorithm. This figure details the initial response to abnormal liver blood tests.
presence of metabolic syndrome ... sought to support a diagnosis ... Areas of diagnostic ... Liver #Enzymes #Differential ... #Diagnosis
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 ... Gallstone #Diseases #differential ... #diagnosis #causes
Eosinophilic Esophagitis (EoE) - Spectrum of Response Non-response: • Histology: Persistent eosinophilia, ≥ 15 eos/hpf • Symptoms:
• Histology: Normal ... • Endoscopy: Normal ... esophagus, EREFS ... EoE #Response #diagnosis
Common Etiologies of Cirrhosis Inflammation - Hepatitis B (15 percent) - Hepatitis C (47 percent) - Schistosomiasis
disease (Budd-Chiari syndrome ... 14 percent) #Diagnosis ... #Differential #
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 Gastrointestinal Causes of Iron Deficiency Anemia • Mass lesions: Carcinoma, Large polyps • Inflammatory: Reflux esophagitis,
rubber bleb nevus syndrome ... Anemia #Causes #differential ... #diagnosis
Pancreatic cystic lesions (PCLs) - classified into simple retention cysts, pseudocysts and cystic neoplasms -
histological and clinical ... characteristics - various diagnostic ... gastroenterology #diagnosis ... #management #differential
Causes of Low Vitamin B12 Levels Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people Autoimmune
and Sjögren's syndrome ... low #cobalamin #differential ... #diagnosis
Gastric Intestinal Metaplasia (GIM) • GIM is a precancerous, histopathologic change characterized by replacement of normal
replacement of normal ... pylori) gastritis Clinical ... Metaplasia #GIM #diagnosis
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