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 ... #diagnosis
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
oncotic pressure Low ... Matherly @liverprof #Diagnosis ... Interpretation #Differential
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... fecal #elastase #low ... #differential # ... diagnosis #causes
An Approach to Jaundice - Differential Diagnosis

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

Dr. Eric
to Jaundice - Differential ... Diagnosis - ... #Jaundice #Differential ... #Posthepatic #Diagnosis
Portal Hypertension Differential

#Diagnosis #Hepatology #Differential #PortalHypertension #PortalHTN #Prehepatic #Posthepatic #Intrahepatic
Portal Hypertension Differential ... #Diagnosis # ... Hepatology #Differential
Endoscopic Bleeding Risk - Summary points from ASGE guideline 

Low Risk Procedures 
 - Diagnostic endoscopy
guideline Low ... Procedures - Diagnostic ... PEG placement (low ... LowRisk #HighRisk #Diagnosis
Pancreatic Cyst Diagnosis on Endoscopic Ultrasound EUS
Features of low cancer risk: No symptoms caused by the
Pancreatic Cyst Diagnosis ... EUS Features of low ... Pancreatic #Cyst #Diagnosis
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Gallstone #Diseases #differential ... #diagnosis #causes
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Acute #Causes #Differential ... #Hepatology #Diagnosis
Table of Causes of Acute Liver Injury
#Diagnosis #Hepatology #Acute #Liver #Injury #Causes #Differential #Incidence #Table #Failure
Liver Injury #Diagnosis ... Injury #Causes #Differential