🧪 Liver Function Test (LFT) – A Key Diagnostic Tool in Clinical Practice — Shahid Nisar (Linkin)

You are currently viewing 🧪 Liver Function Test (LFT) – A Key Diagnostic Tool in Clinical Practice — Shahid Nisar (Linkin)

Understanding liver health is essential in diagnosing a wide range of conditions – from hepatitis to alcohol-related damage and even certain bone disorders.

This post breaks down the LFT panel and what each component indicates. 🔍
🔬 Why is LFT done?

A single blood sample is analyzed to check various substances, helping evaluate liver function by measuring enzymes, proteins, and waste products.
Here’s what each parameter tells us:
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1️⃣ ALT (Alanine Aminotransferase) – Converts protein into energy for liver cells. Elevated levels? It may indicate liver cell damage (also called SGPT).

2️⃣ AST (Aspartate Aminotransferase) – Helps break down amino acids. High levels may point to liver or muscle damage (also called SGOT).

3️⃣ ALP (Alkaline Phosphatase) – Found in liver and bones. High ALP could mean liver damage or bone disorders.

4️⃣ Bilirubin – A waste product from red blood cell breakdown. High levels may indicate liver dysfunction, bile duct blockage, or conditions like hepatitis.

5️⃣ Albumin & Total Protein – Reflect the liver’s ability to produce essential proteins. Low levels may suggest impaired liver function.

🧠 Clinical Insight:
Early detection through LFT can help prevent complications, guide treatment, and monitor recovery.

📈 Whether you’re a medical student, laboratory technologist, or healthcare worker, understanding these parameters is key to better patient outcomes.

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