13 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 Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Check Acute viral hepatitis ... Check Acute viral hepatitis ... Bilirubin - +/- elevation ... normal AST/ALT ... Enzyme Elevation
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... Bilirubin - +/- elevation ... function may be abnormal ... Enzyme Elevation
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Diagnosis Algorithm ... disturbance (obstructed liver ... Highest • Bone • Liver ... Intestine - Other causes ... #Diagnosis #Algorithm
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Differential Diagnosis Algorithm ... disease US — Normal ... • Alcoholic hepatitis ... #Causes
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... magnitude of enzyme elevation ... ALP, alkaline phosphatase ... #Algorithm #Hepatology
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
to 10-20-fold elevation ... Hepatic imaging: Normal ... to 10-20-fold elevation ... of Pregnancy (AFLP ... hepatology #obstetrics #hepatitis
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
Autoimmune Hepatitis ... disease to acute liver ... hepatocellular pattern of liver ... upper limit of normal ... (rare) - IgG Elevation
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
RBCs, muscle, liver ... upon damage • Normal ... (ALT-to-LDH ratio ... (ALT-to-LDH ratio ... Idiosyncratic LDH Elevation
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
intralobular bile ducts causes ... cholestasis → Cirrhosis/Liver ... obstruction • ALP ... or higher • Liver ... Diagnosis: • Viral hepatitis