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
Liver Injury ... biliary obstruction ... - Drug-Induced liver ... cholangitis ... Differential #Hepatology #Diagnosis
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... Algorithm DILI ... cholangitis, Primary ... dechallenge • Acute ... #Injury #Diagnosis
How a cholangiogram corresponds to liver segments
 - Numbers indicate drained hepatic segments
 - Right anterior
How a cholangiogram ... corresponds to liver ... #anatomy #Biliary ... Anatomy #hepatology #ercp ... #liver #segments
Algorithm for the Diagnosis of Primary Biliary Cholangitis (PBC). 

US, ultrasound; MRCP, magnetic resonance cholangiopancreatography; ALP,
Algorithm for the ... Diagnosis of Primary ... Biliary Cholangitis ... US, ultrasound; MRCP ... #Algorithm #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 ... Cholangitis/ Pancreatitis ... #differential #diagnosis
Focused evaluation algorithm for acute liver injury

#Liver #Injury #Acute #Evaluation #Algorithm #Diagnosis #Hepatology
for acute liver ... injury #Liver ... #Injury #Acute ... #Evaluation #Algorithm ... #Diagnosis #Hepatology
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
Primary Biliary ... Algorithm Symptoms ... Liver biopsy findings ... #PBC #Primary #Biliary ... #Algorithm #hepatology
Antibiotic Prophylaxis for Endoscopy (ASGE 2015) 

Give Antibiotics: 
 - PEG tube placement (or PEG-J)
mediastinal cysts - Biliary ... obstruction without cholangitis ... - Patient s/p liver ... GI tract) - Biliary ... obstruction without cholangitis
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
tests algorithm ... Areas of diagnostic ... include extrahepatic biliary ... LFTs #Abnormal #Algorithm ... #Differential #Diagnosis