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
Causes of Severe ... hepatitis - Acute biliary ... hepatitis - Wilson disease ... Hemochromatosis - Primary biliary ... Severe #Acute #Causes
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... fecal elastase ... Abnormal pancreatic ... pancreas), Genetic causes ... orlistat #fecal #elastase
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% ... #Gallstone #Diseases ... differential #diagnosis #causes
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
congenital - Primary biliary ... Nonalcoholic fatty liver disease ... - Wilson disease ... Venoocclusive disease ... Hepatology #Cirrhosis #Causes
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Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
Primary Biliary ... Cirrhosis - Diagnosis Algorithm ... associated autoimmune disease ... of autoimmune disease ... #PBC #Primary #Biliary
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... for alternative causes ... Alcohol-related liver disease ... Benign/malignant biliary ... obstruction, Primary biliary
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
tests algorithm ... include extrahepatic biliary ... alcohol-related liver disease ... non-alcoholic fatty liver disease ... #Algorithm #Hepatology
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... <45% and SF is normal ... of liver disease ... If other causes ... hemochromatosis #algorithm
Primary Biliary Cirrhosis - Management
A. Initiate therapy 
 - Initiate 1st line therapy with UDCA (13-15
Primary Biliary ... 1.5x ULN and/or abnormal ... Stage & survey disease ... #PBC #Primary #Biliary