10 results
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... or AST > ALP): ... Wilsons, Pregnancy - AFLP ... Cholestatic Pattern (ALP
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
ALP - Biliary ... Transaminase, ALP ... ≥ 2x ULN R Value ... ) / (ALP / ULN ALP ... #Transaminitis
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Alkaline Phosphatase (ALP ... ) Elevation - Differential ... Diagnosis Algorithm ALP ... - Increased ALP ... #Elevation #Differential
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
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Bilirubin - +/- elevation ... GGT/5-NT: ↑ - ALP ... Enzyme Elevation ... hemolysis) • ALP
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
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Pregnancy - AFLP ... • Cholestatic disease ... Bile Ducts • PSC
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 ... of Pregnancy (AFLP ... hepatitis #comparison #differential ... diagnosis #icp #HELLP #AFLP
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 #workup #hepatology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
magnitude of enzyme elevation ... ALP, alkaline phosphatase ... disease; AST, aspartate ... disease; T2DM, ... #Differential #