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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diagnosis gastroenterology hepatology management algorithm differential cirrhosis pbc primary causes ercp colonoscopy liver cholangiogram endoscopy functional indications pathophysiology polypectomy treatment
Normal Colonic Diameters Normal bowel caliber can be remembered using the 3-6-9 rule: - Small bowel: <3
Normal Colonic Diameters ... Normal bowel caliber ... drkeithsiau #Normal ... diagnosis #dimensions #anatomy
Causes of Severe Acute Liver Injury - Ichemic hepatitis - Acute biliary obstruction - Drug-Induced liver
hepatitis - Acute biliary ... Hemochromatosis - Primary biliary
Difficult Selective Biliary Cannulation (SBC) Factors associated with difficult SBC: - SMALL PAPILLA: can be difficult to
Difficult Selective Biliary ... visualize the anatomy ... site - OTHERS: biliary ... #Selective #Biliary
Primary Biliary Cirrhosis - Pathophysiology Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish Epigentics Risk
Primary Biliary ... inflammation and biliary ... #PBC #Primary #Biliary
Abnormal liver function tests algorithm. This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... *Abnormal USS may ... include extrahepatic biliary ... #LFTs #Abnormal
Cholangiogram Biliary Anatomy on ERCP #Cholangiogram #Biliary #Anatomy #hepatology #ercp
Cholangiogram Biliary ... Anatomy on ERCP ... Cholangiogram #Biliary ... #Anatomy #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%
Primary Biliary Cirrhosis - Diagnosis Algorithm Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort Signs: Jaundice, Xanthelasmata, Hepatomegaly Associated history:
Primary Biliary ... #PBC #Primary #Biliary
Common Etiologies of Cirrhosis Inflammation - Hepatitis B (15 percent) - Hepatitis C (47 percent) - Schistosomiasis
congenital - Primary biliary
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 Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm DILI suspicion Features toxic aetiology: Skin involvement, Kidney injury,
Benign/malignant biliary ... obstruction, Primary biliary
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