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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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
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
congenital - Primary ... Nonalcoholic fatty liver disease ... - Wilson disease ... Venoocclusive disease ... #Diagnosis #Differential
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
hepatitis - Wilson disease ... Hemochromatosis - Primary ... Acute #Causes #Differential
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... Alcohol-related liver disease ... biliary obstruction, Primary ... biliary cholangitis, Primary ... Injury #Diagnosis #Algorithm
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
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 #
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
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
sprue, Whipple's disease ... ulcers, Crohn's disease ... Anemia #Causes #differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... alcohol-related liver disease ... non-alcoholic fatty liver disease ... LFTs #Abnormal #Algorithm ... Liver #Enzymes #Differential
The Liver Consult Primer - Guide to calling a consult
HPI:
 - Start with reason for consult
Liver Consult Primer ... Chronic liver disease ... Consultation #GIConsult #Primer