19 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ≥ 2x ULN R Value ... FunctionTest #LFTs #Elevation ... #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 ... or AST > ALP): ... Algorithm #diagnosis #hepatology
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
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
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
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Hemochromatosis, Wilson's disease ... HELLP, Celiac disease ... #Diagnosis #hepatology ... #algorithm #Transaminitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Cholestatic disease ... Bile Ducts • PSC ... Others #LFTs #Hepatology
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
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Drug-associated, PCH ... Defects, Drugs, Liver ... #Diagnosis #hematology