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 ... biliary obstruction ... Hemochromatosis - Primary ... biliary cholangitis ... #Hepatology #Diagnosis
Primary Biliary Cirrhosis - Pathophysiology
Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish
Epigentics Risk
Primary Biliary ... Cirrhosis - Pathophysiology ... Cholestasis #PBC #Primary ... #Pathophysiology ... #hepatology
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
congenital - Primary ... biliary cirrhosis ... #Differential #Hepatology ... #Cirrhosis #Causes
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Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
for alternative causes ... biliary cholangitis ... , Primary sclerosing ... dechallenge • Acute ... Diagnosis #Algorithm #hepatology
Table of Causes of Acute Liver Injury
#Diagnosis #Hepatology #Acute #Liver #Injury #Causes #Differential #Incidence #Table #Failure
Table of Causes ... of Acute Liver Injury ... #Diagnosis #Hepatology ... #Acute #Liver # ... Injury #Causes #
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
Primary Biliary ... with PBC #PBC #Primary ... #Biliary #Cirrhosis ... Diagnosis #Algorithm #hepatology
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Biliary Pain 20% ... Acute Cholecystitis ... differential #diagnosis #causes
Primary Biliary Cirrhosis (PBC) - Diagnosis Algorithm

#Primary #Biliary #Cirrhosis #PBC #Diagnosis #Algorithm #hepatology
Primary Biliary ... Algorithm #Primary ... #Biliary #Cirrhosis ... Diagnosis #Algorithm #hepatology
Algorithm for the Diagnosis of Primary Biliary Cholangitis (PBC). 

US, ultrasound; MRCP, magnetic resonance cholangiopancreatography; ALP,
the Diagnosis of Primary ... Biliary Cholangitis ... antibodies #Primary ... #Biliary #Cholangitis ... Algorithm #Diagnosis #Hepatology
Etiology and Complications of Cirrhosis

#Causes #Complications #Cirrhosis #Differential #Pathophysiology #Hepatology
of Cirrhosis #Causes ... #Differential #Pathophysiology ... #Hepatology