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 Aplastic Anemia

#Aplastic #Anemia #Causes #Pathophysiology #Pathology #Treatment #Management #Differential
Causes of Aplastic ... Aplastic #Anemia #Causes ... #Pathophysiology ... #Pathology #Treatment ... #Management #Differential
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... -1 antitrypsin deficiency ... Severe #Acute #Causes ... #Differential # ... Hepatology #Diagnosis
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... iron deficiency ... of small bowel pathology ... change medical management ... Evaluation #workup #diagnosis
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... of Iron Deficiency ... #Anemia #Causes ... #differential # ... diagnosis
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
α1-antitrypsin deficiency ... 14 percent) #Diagnosis ... #Differential # ... Hepatology #Cirrhosis #Causes
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 ... low #cobalamin #differential ... #diagnosis
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
regarding the diagnosis ... and hematologic disorders ... If other causes ... hemochromatosis #algorithm #diagnosis ... #management #hepatology
Secondary Causes of Esophageal Eosinophilia (EoE) - Differential Diagnosis
 • Gastroesophageal reflux disease
 • Eosinophilic gastrointestinal
Secondary Causes ... Eosinophilia (EoE) - Differential ... Diagnosis • Gastroesophageal ... • Autoimmune disorders ... #Diagnosis #Secondary
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
Ileal Pouch Disorders ... - Differential ... Diagnosis • Surgical ... loss, Vit D/B12 deficiency ... #Differential #
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
Causes of a low ... pancreas), Genetic causes ... Rheumatological disorders ... elastase #low #differential ... #diagnosis #causes