9 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Transaminase Levels ... By AST:ALT Ratio ... Liver #Injury #hepatology ... #LFTs #transaminitis ... #differential #diagnosis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
- Differential Diagnosis ... Algorithm Severe ... • Alcoholic hepatitis ... • Others #LFTs ... #Hepatology #LiverEnzymes
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
- Differential Diagnosis ... • Infections: Hepatitis ... #hepatology #algorithm ... Transaminitis #LFTs ... #hepatitis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... Hepatocellular Level ... normal AST/ALT AST ... liver #chemistry #diagnosis ... transaminitis #LFTs
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
• Increased levels ... Laboratory #Metabolism #ASTALT ... AlkPhos #Bilirubin #Hepatology ... Pathophysiology #Diagnosis ... #LFTs
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... Algorithm DILI ... drugs, OTC (record start ... Liver #Injury #Diagnosis ... #Algorithm #hepatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Hepatitis B ... function tests (LFTs ... (to support a diagnosis ... arthritis) • Hepatitis ... laboratory #workup #diagnosis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential Diagnosis ... Algorithm Vascular ... be abnormal AST ... #differential #diagnosis ... #algorithm #hepatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... lesions-interstitial keratitis ... Tests: • CBC • LFT ... Complement (Low levels ... #rheumatology #