68 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
> 50x normal - Ischemic ... > 20x normal - Acute ... AST:ALT = 1 - Ischemia ... Viral Hepatitis, Ischemic ... #Injury #hepatology
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Causes of Severe ... Acute Liver Injury ... - Ichemic hepatitis ... #Causes #Differential ... #Hepatology #Diagnosis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Drugs, Viral, Ischemia ... Wilsons, Pregnancy - AFLP ... Algorithm #diagnosis #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Drugs/Toxins • Ischemia ... • Pregnancy - AFLP ... Others #LFTs #Hepatology ... Diagnosis #Algorithm #Causes
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
TTP/HUS, HELLP Syndrome ... and Acute Fatty ... (AFLP) Three syndromes ... child * Severe cases ... #obstetrics #hematology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - Differential ... Hepatopathy • Acute ... injury) • Ischemic ... #Tests #LFTs #Differential ... #Diagnosis #hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... = nonspecific (nausea ... infiltration) Differential ... Pregnancy #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Algorithm Vascular Causes ... of Acute Liver ... diagnosis #algorithm #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Hepatocellular - Check Acute ... Mixed - Check Acute ... • Gilbert's syndrome ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
necrosis HELLP Syndrome ... and hemorrhage Acute ... Pregnancy (AFLP) ... Disease #Pregnancy #hepatology ... hepatitis #comparison #differential