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How can hemoconcentration of a specimen be avoided?

Keep the tourniquet on for 3 minutes

Remove the tourniquet within 1 minute

To avoid hemoconcentration of a specimen, it's crucial to minimize the duration a tourniquet is applied during blood collection. Keeping the tourniquet on for too long can lead to increased concentration of blood components and dehydration of the plasma, affecting test results. By removing the tourniquet within a minute, the blood flow remains more stable, preventing the pooling of blood and maintaining a more accurate representation of the analytes in the bloodstream.

This approach ensures that the blood sample collected is less likely to show artificially elevated levels of cellular components, which can skew test results and lead to misinterpretation or incorrect clinical decisions. It's a best practice to limit the time the tourniquet is applied to maintain the integrity of the specimen.

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Use a smaller needle

Dilute the specimen after collection

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