23 results
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... • NAFLD • Cirrhosis ... (Drug-induced liver ... LouLectures #Liver ... Diagnosis #hepatology
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... ) - Causes of Hepatocellular ... and Cholestatic Liver ... Transaminitis #diagnosis #differential ... #hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Infiltrative • Cirrhosis ... • Others #LFTs ... #Hepatology #LiverEnzymes ... Diagnosis #Algorithm #Causes
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... CMV), Alcoholic cirrhosis ... #Patterns #Liver ... #Injury #hepatology ... #differential #
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
Etiologies of Cirrhosis ... Nonalcoholic fatty liver ... #Diagnosis #Differential ... #Hepatology #Cirrhosis ... #Causes
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Hypertension - Differential ... >10 mmHg - clinically ... sarcoidosis) • Liver ... metastasis • Fatty liver ... #hepatology
Causes of Portal Hypertension According to Site of Vascular Obstruction
1) Prehepatic pre-sinusoidal: Portal vein thrombosis due
Causes of Portal ... , Polycystic liver ... portalhypertension #phtn #differential ... #diagnosis #causes ... #hepatology
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
Hepatomegaly - Differential ... Non-Malignant • Fatty Liver ... Primary Biliary Cirrhosis ... Diagnosis #Algorithm #Causes ... #Hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... hepatitis: < 1 • Cirrhosis ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Congenital, Others, Cirrhosis ... Burak @kwburak #LFTs ... Algorithm #diagnosis #hepatology