12 results
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs R-value ... of cholestatic disease ... disease: > 2 ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
) Elevation - Differential ... disturbance (obstructed liver ... Highest • Bone • Liver ... #Elevation #Differential ... Diagnosis #Algorithm #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Bilirubin - +/- elevation ... Enzyme Elevation ... #differential # ... diagnosis #algorithm #hepatology
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
elevation > Alk ... • R value = (ALT ... #Cholestatic #Transaminitis ... #diagnosis #differential ... #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
• Infections: Hepatitis ... HELLP, Celiac disease ... #Diagnosis #hepatology ... #algorithm #Transaminitis ... #LFTs #hepatitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Cholestatic disease ... Bile Ducts • PSC ... • Alcoholic hepatitis
Primary Biliary Cirrhosis (PBC) - Summary

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

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
from subclinical disease ... to acute liver ... hepatocellular pattern of liver ... reported (eg AIH-PBC ... (rare) - IgG Elevation
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
Liver Disease in ... to 10-20-fold elevation ... #Disease #Pregnancy ... #hepatitis #comparison ... #differential #
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... RBCs, muscle, liver ... - Prosthetic valves ... Idiosyncratic LDH Elevation ... Dehydrogenase #Elevated #differential