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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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 ... biliary obstruction, Primary ... biliary cholangitis, Primary
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... hepatitis - Wilson disease ... Hemochromatosis - Primary ... Severe #Acute #Causes
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
congenital - Primary ... Nonalcoholic fatty liver disease ... - Wilson disease ... Venoocclusive disease ... Hepatology #Cirrhosis #Causes
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 ... with PBC #PBC #Primary
Primary Biliary Cirrhosis - Pathophysiology
Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish
Epigentics Risk
Primary Biliary ... female-predominant disease ... of autoimmune disease ... Cholestasis #PBC #Primary
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... sprue, Whipple's disease ... ulcers, Crohn's disease ... Deficiency #Anemia #Causes
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Gallstone Diseases ... #Gallstone #Diseases ... differential #diagnosis #causes
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Diagnosis Common Causes ... Inflammatory Bowel Disease ... NSAID ulcers Rare Causes ... Differential #Diagnosis #Causes
Non-alcoholic fatty liver disease algorithm.
 
For those patients with NAFLD or liver disease of unknown aetiology,
Non-alcoholic fatty liver disease ... algorithm. ... NAFLD or liver disease ... non-alcoholic fatty liver disease ... #NAFLD #algorithm
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... out additional causes ... of liver disease ... If other causes ... hemochromatosis #algorithm