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 Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
biliary obstruction ... hepatitis - Wilson disease ... Hemochromatosis - Primary biliary ... cholangitis ... #Causes #Differential
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Gallstone Diseases ... Biliary Pain 20% ... Acute Cholecystitis ... Cholangitis/ Pancreatitis ... #differential #
Antibiotic Prophylaxis for Endoscopy (ASGE 2015) 

Give Antibiotics: 
 - PEG tube placement (or PEG-J)
Prophylaxis for Endoscopy ... mediastinal cysts - Biliary ... GI tract) - Biliary ... congenital heart disease ... #Prophylaxis #Endoscopy
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... Alcohol-related liver disease ... cholangitis, Primary ... sclerosing cholangitis ... dechallenge • Acute