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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differential gastroenterology hepatology algorithm liver anemia cirrhosis iron pbc primary acute disorders functional gastrointestinal injury low management table workup 5ds
Causes of Severe Acute Liver Injury - Ichemic hepatitis - Acute biliary obstruction - Drug-Induced liver
Causes of Severe ... hepatitis - Acute biliary ... -1 antitrypsin deficiency ... Severe #Acute #Causes ... Differential #Hepatology #Diagnosis
Common Etiologies of Cirrhosis Inflammation - Hepatitis B (15 percent) - Hepatitis C (47 percent) - Schistosomiasis
congenital - Primary biliary ... α1-antitrypsin deficiency ... 14 percent) #Diagnosis ... Hepatology #Cirrhosis #Causes
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 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% ... #differential #diagnosis ... #causes
Gastrointestinal Causes of Iron Deficiency Anemia • Mass lesions: Carcinoma, Large polyps • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... of Iron Deficiency ... Gastrointestinal #Iron #Deficiency ... #Anemia #Causes ... #differential #diagnosis
Primary Biliary Cirrhosis - Diagnosis Algorithm Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort Signs: Jaundice, Xanthelasmata, Hepatomegaly Associated history:
Primary Biliary ... Cirrhosis - Diagnosis ... after pregnancy Diagnose ... #PBC #Primary #Biliary ... #Cirrhosis #Diagnosis
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm DILI suspicion Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... for alternative causes ... Benign/malignant biliary ... obstruction, Primary biliary ... Liver #Injury #Diagnosis
Causes of Low Vitamin B12 Levels Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people Autoimmune
Causes of Low Vitamin ... Transcobalamin II deficiency ... #VitaminB12 #deficiency ... #differential #diagnosis
Gastrointestinal Evaluation of Iron Deficiency Anemia In patients with anemia, diagnose iron deficiency if: • Ferritin <
Evaluation of Iron Deficiency ... patients with anemia, diagnose ... iron deficiency ... management #Iron #Deficiency ... Evaluation #workup #diagnosis
Difficult Selective Biliary Cannulation (SBC) Factors associated with difficult SBC: - SMALL PAPILLA: can be difficult to
Difficult Selective Biliary ... site - OTHERS: biliary ... #Selective #Biliary ... gastroenterology #management #diagnosis
Pancreatic Cyst Diagnosis on Endoscopic Ultrasound EUS Features of low cancer risk: No symptoms caused by the
Pancreatic Cyst Diagnosis ... risk: No symptoms caused ... risk: Symptoms caused ... such as jaundice, nausea ... Pancreatic #Cyst #Diagnosis
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