13 results
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... Autoimmune hepatitis, PBC ... , PSC, IgG4, HLH ... stone, Malignancy, PBC ... , PSC, Cystic fibrosis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Ducts - PBC ... , PSC, Alcoholic ... Biliary stricture, PSC
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Liver Injury - Differential ... Malignancy, 1° PBC ... , 1° PSC, Cystic ... #Injury #Differential ... #algorithm #hepatology
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
pregnancy Diagnose PBC ... Elevated ALP 2. ... Liver biopsy findings ... consistent with PBC ... #PBC #Primary
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
(PBC) - Summary ... /Liver failure ... normal or slightly elevated ... or higher • Liver ... bile ducts Differential
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... • NAFLD • Cirrhosis ... Hepatopathy • Acute ... injury) • Ischemic ... #Diagnosis #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Diagnosis Algorithm ... Bile Ducts • PSC ... Infiltrative • Cirrhosis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
injury < 26 weeks ... specificity to elevated ... hepatitis: < 1 • Cirrhosis ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
subclinical disease to acute ... liver failure ... injury, though ... reported (eg AIH-PBC ... IgG typically elevated
Hepatitis B - Treatment Indications
Treatment not indicated:
 • Immune tolerant state - HBe-Ag detectable, high HBV
Presence of CP or PC ... or fibrosis • Cirrhosis ... injury (INR > 2 ... > 3 mg/dL) or acute ... liver failure