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
-1 antitrypsin deficiency ... Acute #Causes #Differential
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Causes of Iron Deficiency ... Gastrointestinal #Iron #Deficiency ... Anemia #Causes #differential
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
α1-antitrypsin deficiency ... #Diagnosis #Differential
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Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Transcobalamin II deficiency ... #VitaminB12 #deficiency ... low #cobalamin #differential
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Evaluation of Iron Deficiency ... diagnose iron deficiency ... management #Iron #Deficiency
Cirrhosis - Pathophysiology
 - Ascites Formation
 - Dilutional Hyponatremia
 - Hepatorenal Syndrome
 - Spontaneous Infections

#Cirrhosis #Pathophysiology
Cirrhosis - Pathophysiology ... #Cirrhosis #Pathophysiology
Carcinoid Syndrome - Pathophysiology, Signs and Symptoms
Symptoms: Flushing, diarrhea, palpitations, bronchospasm
Complications: Carcinoid heart, mesenteric fibrosis, pellagra,
Carcinoid Syndrome - Pathophysiology ... Carcinoid #Syndrome #Pathophysiology
Primary Biliary Cirrhosis - Pathophysiology
Environmental Risk Factors: Geographic location, Smoking, Microbial triggers, Xenobiotics, Nail polish
Epigentics Risk
Biliary Cirrhosis - Pathophysiology ... relative with PBC Pathophysiology ... Biliary #Cirrhosis #Pathophysiology
Functions of the Liver

Storage 
Degradation 
Metabolism 
Synthesis 

#Pathophysiology #Functions #Liver #Hepatology #Synthesis #Storage #Metabolism
Synthesis #Pathophysiology
Functional Dyspepsia - Pathophysiology, Diagnosis and Management
Risk factors: Non-steroidal anti-inflammatory drugs, Psychological comorbidity, Helicobacter pylori infection,
Functional Dyspepsia - Pathophysiology ... Functional #Dyspepsia #Pathophysiology