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
Causes of Severe ... hepatitis - Acute biliary ... Hemochromatosis - Primary biliary ... Severe #Acute #Causes ... #Differential #
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% ... Gallstone #Diseases #differential ... #diagnosis #causes
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... for alternative causes ... Benign/malignant biliary ... obstruction, Primary biliary ... Hepatic vascular disorder
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
congenital - Primary biliary ... #Diagnosis #Differential ... Hepatology #Cirrhosis #Causes
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... indicate the initial evaluation ... history alongside evaluation ... include extrahepatic biliary ... Liver #Enzymes #Differential
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... normal, further evaluation ... C282Y homozygote, evaluation ... and hematologic disorders ... hemochromatosis #algorithm
Secondary Causes of Esophageal Eosinophilia (EoE) - Differential Diagnosis
 • Gastroesophageal reflux disease
 • Eosinophilic gastrointestinal
Secondary Causes ... Eosinophilia (EoE) - Differential ... Connective tissue disorders ... • Autoimmune disorders ... #Eosinophilic #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
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
Abdominal Pain Disorders ... After appropriate evaluation ... After appropriate evaluation ... following: anorexia, nausea ... AbdominalPain #Disorders