6 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... Hepatocellular injury ... 2: Cholestatic injury ... #FunctionTest # ... LFTs #Elevation #Transaminitis
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Hepatopathy • Acute ... injury) • Ischemic ... #Function #Tests ... Diagnosis #hepatology #transaminitis
Clinical manifestations of acute liver failure 

Brain: 
Hepatic encephalopathy,  
Cerebral edema,  
Intracranial hypertension,
liver failure ... abnormalities Liver ... Loss of metabolic function ... Subclinical myocardial injury ... lung injury,
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... Injury Transaminase ... > 20x normal - Acute ... #Patterns #Liver ... #LFTs #transaminitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Mixed - Check Acute ... injury < 26 weeks ... hepatocellular injury ... muscle injury: ... differential #Hepatology #transaminitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... Liver Injury: ... Liver Injury: ... Liver Injury: ... Tests of synthetic function