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 Acute ... hepatitis - Acute ... biliary obstruction ... Hemochromatosis - Primary biliary ... #Causes #Differential
Functional Dyspepsia - Pathophysiology, Diagnosis and Management
Risk factors: Non-steroidal anti-inflammatory drugs, Psychological comorbidity, Helicobacter pylori infection,
Functional Dyspepsia ... pylori infection, Acute ... a structurally normal ... Early satiety #Functional ... Diagnosis #Management #algorithm
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% ... Acute Cholecystitis ... Gallstone #Diseases #differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... include extrahepatic biliary ... #Algorithm #Hepatology ... Liver #Enzymes #Differential
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... Benign/malignant biliary ... obstruction, Primary biliary ... dechallenge • Acute ... Injury #Diagnosis #Algorithm
Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
and Management Algorithm ... factors: Previous acute ... Younger age, Other functional ... common: Food, Acute ... Diagnosis #Management #Algorithm
FAPD - Functional Abdominal Pain - Diagnosis Algorithm
Functional abdominal pain not otherwise
Abdominal migraine
Functional Constipation
IBS
Functional Dyspepsia

#FAPD #Functional
FAPD - Functional ... Pain - Diagnosis Algorithm ... Functional abdominal ... AbdominalPain #Diagnosis #Algorithm ... gastroenterology #differential
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
fecal elastase Abnormal ... Pancreatic atrophy, Acute ... Shwachman-Diamond syndrome Normal ... elastase #low #differential
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
for diagnosing Functional ... resolves have functional ... medical condition Functional ... episodes of intense, acute ... interferes with normal