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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Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... VitaminB12 #deficiency #low ... #cobalamin #differential
Microscopic Colitis - Management Algorithm
Induction: Budesonide 9 mg daily, 6 to 8 weeks
Maintenance: Budesonide low-dose (3-6
Microscopic Colitis - Management ... Maintenance: Budesonide low-dose ... Microscopic #Colitis #Management
Endoscopic Bleeding Risk - Summary points from ASGE guideline 

Low Risk Procedures 
 - Diagnostic endoscopy
guideline Low ... PEG placement (low ... HighRisk #Diagnosis #Management
Spontaneous Bacterial Peritonitis (SBP) - Diagnosis and Management
Ascites PMN > 250/mm3
? Nosocomial or hospital acquired. Recent
Diagnosis and Management ... SBP: Medical Management ... considered if: Low ... SBP #Diagnosis #Management
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
oncotic pressure Low ... Interpretation #Differential
Acute Esophageal Necrosis
History: Hematemesis and/or melena (70%), Dysphagia, Epigastric/chest pain, Sepsis
Diagnosis EGD and Biopsy
Differential: Melanosis, Melanoma,
EGD and Biopsy Differential ... Klebsiella, pneumoniae) Management ... esophagus #diagnosis #management
Hepatitis B - Treatment Indications
Treatment not indicated:
 • Immune tolerant state - HBe-Ag detectable, high HBV
-40 years • Low ... undetectable, low ... #Indications #management
Portal Hypertension Differential

#Diagnosis #Hepatology #Differential #PortalHypertension #PortalHTN #Prehepatic #Posthepatic #Intrahepatic
Portal Hypertension Differential ... Diagnosis #Hepatology #Differential
An Approach to Jaundice - Differential Diagnosis

- Increased Production (Prehepatic)
- Decreased Clearance (Intrahepatic + Posthepatic)

Dr. Eric
to Jaundice - Differential ... #Jaundice #Differential
Pancreatic cystic lesions (PCLs)
 - classified into simple retention cysts, pseudocysts and cystic neoplasms 
 -
gastroenterology #diagnosis #management ... #differential