11 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Liver Injury ... Liver Injury? ... • R value = (ALT ... #Transaminitis
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ALP ≥ 2x ULN R Value ... injury Sinai ... #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 ... dz Cholestatic ... Burak @kwburak #LFTs
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... #LFTs #hepatitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... R-value: Serum ... disease • If ... chemistry #diagnosis #differential ... #Hepatology #transaminitis
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... disease 6-9 mo ... Calculate R-Value ... Mixed DILI • Cholestatic ... #differential #
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Injury - Differential ... Thrombus, Vasospasm Cholestatic ... Hepatitis, TB Cholestatic ... #Injury #Differential ... Acute #algorithm #hepatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Acute Liver Injury ... #differential # ... diagnosis #algorithm #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... • Others • Cholestatic ... disease US — Normal ... • Others #LFTs
Hemolysis - Differential Diagnosis Framework

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