21 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... #Patterns #Liver ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Tests (LFTs) - Differential ... injury) • Ischemic ... #Tests #LFTs #Differential ... #Diagnosis #hepatology ... #transaminitis
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminases / Transaminitis ... - Differential ... Trauma: Shock liver ... See Updated Schema ... Diagnosis #causes #hepatology
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Algorithm for Transaminitis ... Drugs, Viral, Ischemia ... Algorithm #diagnosis #hepatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Rare • Drugs (e.g ... Iatrogenic) • Liver ... Bleeding #Bruising #Differential ... Algorithm #Causes #Hematology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injury Differential ... • Vascular: Ischemic ... #Diagnosis #hepatology ... #algorithm #Transaminitis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Early liver disease ... Reduced liver synthesis ... intravascular coagulation ... Causes #diagnosis #differential ... #hematology #coagulation
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver Chemistries ... Identify Acute Liver ... • Albumin • Coagulation ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... inhibitory drugs (e.g ... • Reduced liver ... Causes #diagnosis #differential ... #hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation ... protein C and S Pathophysiology ... organ damage Clinical ... DIC • Severe Liver ... treatment #management #hematology