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
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
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
α1-antitrypsin deficiency ... #Diagnosis #Differential
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
Pouch Disorders - Differential ... loss, Vit D/B12 deficiency ... Pouch #Disorders #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
Portal Hypertension Differential

#Diagnosis #Hepatology #Differential #PortalHypertension #PortalHTN #Prehepatic #Posthepatic #Intrahepatic
Portal Hypertension Differential ... Diagnosis #Hepatology #Differential
An Approach to Jaundice - Differential Diagnosis

- Increased Production (Prehepatic)
- Decreased Clearance (Intrahepatic + Posthepatic)

Dr. Eric
to Jaundice - Differential ... #Jaundice #Differential
Drugs and Classes Associated with DILI and Type of Liver Injury

#Medications #Differential #DrugInduced #LiverInjury #Hepatology #Pharmacology
#Medications #Differential
Gallstone Diseases
1. Asymptomatic Stones 75%
2. Biliary Pain 20%
3. Acute Cholecystitis 10%
4. Mirizzi's Syndrome < 0.1%
5. Cholangitis/
Gallstone #Diseases #differential