A Source of Error in Fetal Scalp Blood Sampling — The Heparin Impregnated Thread | Zendy

Chang Allan | Zendy; Wood Carl | Zendy

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A Source of Error in Fetal Scalp Blood Sampling — The Heparin Impregnated Thread

Author(s) -

Chang Allan,

Wood Carl

Publication year - 1974

Publication title -

australian and new zealand journal of obstetrics and gynaecology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.734

H-Index - 65

eISSN - 1479-828X

pISSN - 0004-8666

DOI - 10.1111/j.1479-828x.1974.tb00834.x

Subject(s) - heparin , thread (computing) , scalp , blood collection , blood sampling , fetus , chemistry , anesthesia , biomedical engineering , surgery , medicine , computer science , pregnancy , biology , operating system , emergency medicine , genetics

Summary: The use of heparin impregnated thread in collection tubes, used for fetal scalp blood sampling, is associated with a decrease in measured pH. The pH is altered by the threads used rather than by heparin or dilution. This change may be eliminated by soaking the thread in alcohol for 48 hours prior to impregnation with heparin.

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