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A member asked:
Why is blood sugar more accurate with blood obtained by venipuncture?
A doctor has provided 1 answer
Tissue fluid: Blood from a vein in direct measuring of blood. A finger stick is blood mixed with fluid from the tissue which has a lower blood sugar in it. Be careful not to squeeze as it will give you more tissue fluid and less blood resulting in a lower than real blood sugar value.
Answered 7/5/2012
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