The influences on the laboratory results by venous stasis and standing blood samples
were studied.
The results were:
1) By 3 minutes of venous stasis, the statistically significant for Hb, Hct and RBC
(P<0.05). The biochemical data showed significant differences for K, T. Prot, T.Bill, Alk.
Pho. and Chol (p<0.05).
2) Biochemical data revealed statistically significant changes for Na, K, Creat and Gluc
after 12 hours of standing blood samples in refrigerator and for Na, K, BUN, Creat, T.
Prot, Alb and Gluc after 24 hours of storage.
The laboratory results are greatly influenced by minute careless pre-lab. sample
handlings and the necessities of such prelaboratory cares are discussed.
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