Liver function tests: Part 2: Classification of LFTs

Опубликовано: 22 Май 2026
на канале: Dr Vijaya Marakala
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I’m Dr. Vijaya Marakala explained in this video classification of liver function tests. Liver function tests are biochemical, histological, and radiological tests used to help diagnose and monitor liver disease. There are various classifications of liver function tests commonly known as LFTs. In this video, I have explained tests based on the functions of the liver and a few radiological and histopathological tests. LFTs based on excretory functions of the liver are serum total bilirubin, direct/conjugated, and indirect/unconjugated bilirubin. Urine bile pigments, bilirubin, bile salts are also tests based on excretory functions of the liver. Estimation of plasma protein and prothrombin time are tests based on the synthetic function of the liver. Enzyme markers routinely sort investigations under liver function tests are ALT, AST, ALP, and GGT. Test based on the detoxification functions of the liver is the determination of blood ammonia. Radiological liver function tests are abdominal USG, CT scan, MRI. Ultra-sonographic guided liver biopsy helps in the histopathological diagnosis of various liver diseases.
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Liver function tests:    • Liver function tests  
Diabetes and Insulin:    • Diabetes mellitus  
Hemoglobin metabolism:    • Hemoglobin metabolism  
Molecular biology:    • Molecular Biology  
Electron transport chain:    • Electron Transport Chain and Oxidative pho...  
Enzymes:    • Enzymology  
Digestion and absorption:    • Digestion and absorption  
Carbohydrate chemistry:    • Carbohydrate chemistry  
Lipid chemistry:    • Lipid chemistry  
Protein chemistry:    • Protein Chemistry  
Lipid metabolism:    • Lipid Metabolism  
Acid-base disorders:    • Acid-base disorders  
ABG interpretation:    • ABG interpretation  
Bilirubin metabolism:    • Bilirubin metabolism and jaundice  
Vitamins:    • Vitamins  
Bone and cartilage:    • Biochemistry of bone: Composition of bone:...  
Carbohydrate metabolism:    • Carbohydrate metabolism  
Iodine and thyroid hormones:    • Iodine and Thyroid hormones  
Acid-base balance:    • Acid-base balance  
Inborn errors of protein metabolism:    • Inborn error of protein metabolism  
Ketone body metabolism:    • Ketone body metabolism  
Vitamin D:    • Vitamin D  

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You can reach me through the following social media links
Twitter:   / marakalavijaya  
Linkedin:   / vijaya-ma.  .
Instagram:   / vmarakala  
Reddit:   / vijidr  
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