Quick test
The Quick test, also known as the Quick value, is a laboratory parameter that measures the time it takes for the blood to clot. It is used to detect coagulation disorders and to check the effect of medications that influence blood clotting, such as Marcumar.
How is it carried out?
The test starts with a blood sample, which is filled into a tube with citrate to prevent clotting. The plasma is separated and then tissue thromboplastin and calcium chloride are added to induce clotting. The time taken for the plasma to clot is measured and the Quick value is calculated as a percentage based on the ratio to the normal control.
Why is it important?
A normal Quick value shows that the blood is clotting properly, while a lower value can indicate problems such as liver disease or medication. An elevated value can indicate accelerated clotting, which can occur in the case of inflammation or pregnancy.
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