21 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... (LFTs) Elevation ... specific for the liver ... #FunctionTest # ... LFTs #Elevation
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Liver Chemistry ... Phosphatase and Bilirubin ... hepatocyte - Elevation ... initial insult Bilirubin ... ASTALT #AlkPhos #Bilirubin
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
to 10-20-fold elevation ... , Bilirubin: <5 ... to 10-20-fold elevation ... , Bilirubin: <5 ... but variable ++, Bilirubin
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
- +/- elevation ... week • Direct bilirubin ... or amyloid: • Elevation ... Enzyme Elevation ... : • Bilirubin:
Approach to Conjugated Hyperbilirubinemia - Differential Diagnosis Algorithm

1. Definition: T.bili elevation + >20% conjugated
2. Obtain RUQ
Definition: T.bili elevation ... non-ICU vs ICU causes ... MRCP, ERCP, liver ... Hyperbilirubinemia #direct #bilirubin
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Algorithm Vascular Causes ... - +/- elevation ... week • Direct bilirubin ... Enzyme Elevation ... : • Bilirubin:
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... ) - Causes of Hepatocellular ... and Cholestatic Liver ... Hepatocellular Liver ... Injury • AST/ALT elevation
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Phosphatase (ALP) Elevation ... disturbance (obstructed liver ... Highest • Bone • Liver ... Intestine - Other causes ... of elevation:
Commonly Observed Laboratory Findings in Hepatic / Liver Failure
 - Elevated conjugated and unconjugated bilirubin -
Findings in Hepatic / Liver ... and unconjugated bilirubin ... and excretion of bilirubin ... ALT and AST - Elevations ... fold with acute liver
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
function: INR, bilirubin ... Post-Hepatic: • Cardiac causes ... sarcoidosis) • Liver ... metastasis • Fatty liver ... Differential #Diagnosis #causes