14 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... specific for the liver ... SinaiBmoreIMRes #Liver ... #FunctionTest # ... LFTs #Elevation #Transaminitis
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... #Pulmonary #FunctionTests
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... Hepatopathy • Acute ... (Drug-induced liver ... #Function #Tests ... Diagnosis #hepatology #transaminitis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Algorithm for Transaminitis ... Elevated #Abnormal #Transaminitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Hepatocellular - Check Acute ... Mixed - Check Acute ... Imperative to Identify Acute ... Cirrhosis: > 1 • Acute ... differential #Hepatology #transaminitis
Clinical manifestations of acute liver failure 

Brain: 
Hepatic encephalopathy,  
Cerebral edema,  
Intracranial hypertension,
manifestations of acute ... liver failure ... abnormalities Liver ... Loss of metabolic function ... #liver #failure
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... > 20x normal - Acute ... #Patterns #Liver ... hepatology #LFTs #transaminitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... Vascular Causes of Acute ... Hepatocellular Acute ... Cholestatic Acute ... Tests of synthetic function
Etiology of Acute Liver Failure – bolded entities are most likely to cause AST/ALT in the
Etiology of Acute ... Liver Failure – ... 1000s #Diagnosis #Acute ... #LiverFailure #Transaminitis
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
hepatic synthetic function ... • Cirrhosis/acute ... sarcoidosis) • Liver ... metastasis • Fatty liver