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 ... biliary obstruction ... Hemochromatosis - Primary biliary ... #Causes #Differential ... #Hepatology #Diagnosis
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 ... #diagnosis #causes
Acute Esophageal Necrosis
History: Hematemesis and/or melena (70%), Dysphagia, Epigastric/chest pain, Sepsis
Diagnosis EGD and Biopsy
Differential: Melanosis, Melanoma,
Acute Esophageal ... chest pain, Sepsis Diagnosis ... EGD and Biopsy Differential ... Braghirol @KBrag_MD #Acute ... black #esophagus #diagnosis
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
congenital - Primary biliary ... 14 percent) #Diagnosis ... #Differential #
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Table of Causes of Acute Liver Injury
#Diagnosis #Hepatology #Acute #Liver #Injury #Causes #Differential #Incidence #Table #Failure
Table of Causes of Acute ... Liver Injury #Diagnosis ... #Hepatology #Acute ... Injury #Causes #Differential
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... Benign/malignant biliary ... obstruction, Primary biliary ... dechallenge • Acute ... Liver #Injury #Diagnosis
Difficult Selective Biliary Cannulation (SBC)
Factors associated with difficult SBC:
 - SMALL PAPILLA: can be difficult to
Difficult Selective Biliary ... site - OTHERS: biliary ... #Selective #Biliary ... gastroenterology #management ... #diagnosis
Functional Dyspepsia - Pathophysiology, Diagnosis and Management
Risk factors: Non-steroidal anti-inflammatory drugs, Psychological comorbidity, Helicobacter pylori infection,
Pathophysiology, Diagnosis ... and Management ... pylori infection, Acute ... months before diagnosis ... #Management #algorithm
Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
Pathophysiology, Diagnosis ... and Management ... factors: Previous acute ... common: Food, Acute ... #Management #Algorithm
Pancreatic cystic lesions (PCLs)
 - classified into simple retention cysts, pseudocysts and cystic neoplasms 
 -
characteristics - various diagnostic ... gastroenterology #diagnosis ... #management #differential