🧪 General Principles🟡 High-yieldOrgan Function Tests

Organ Function Tests: An Overview

A group of blood tests that together show how well the liver, kidneys, heart and other organs are working.

Key points

Organ function tests are panels of blood markers that reflect the health of a particular organ rather than measuring the organ directly.
Liver function tests include bilirubin, the enzymes ALT, AST and alkaline phosphatase, and albumin, which together separate different patterns of liver disease.
Kidney function is judged from the blood urea, the creatinine and the estimated filtration rate, along with the electrolytes.
Damaged heart muscle releases the protein troponin, which is the main blood marker of a heart attack.
Because a single value can mislead, results are read as patterns and compared against reference ranges and the clinical picture.

Liver is bilirubin plus ALT/AST/ALP plus albumin; kidney is urea/creatinine/GFR; heart is troponin; read patterns, not single values.

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🧪 General Principles🟡 High-yieldOrgan Function Tests

A group of blood tests that together show how well the liver, kidneys, heart and other organs are working.

Organ function tests are panels of blood markers that reflect the health of a particular organ rather than measuring the organ directly.
Liver function tests include bilirubin, the enzymes ALT, AST and alkaline phosphatase, and albumin, which together separate different patterns of liver disease.
Kidney function is judged from the blood urea, the creatinine and the estimated filtration rate, along with the electrolytes.
Damaged heart muscle releases the protein troponin, which is the main blood marker of a heart attack.
Because a single value can mislead, results are read as patterns and compared against reference ranges and the clinical picture.

Liver is bilirubin plus ALT/AST/ALP plus albumin; kidney is urea/creatinine/GFR; heart is troponin; read patterns, not single values.