9 results
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
) Elevation - Differential ... disturbance (obstructed liver ... Highest • Bone • Liver ... biliary diseases ... #Elevation #Differential
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ALP - Biliary ... ≥ 2x ULN R Value ... #Transaminitis ... #diagnosis #hepatology
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Algorithm for Transaminitis ... - CBD stone, Biliary ... Algorithm #diagnosis #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Bilirubin - +/- elevation ... Enzyme Elevation ... injury #hepatitis #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
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
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
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Cholestatic disease ... Bile Ducts • PSC ... Duct Stone • Biliary
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
magnitude of enzyme elevation ... include extrahepatic biliary ... ALP, alkaline phosphatase ... disease; T2DM, ... #Differential #