WHOLE BLOOD COAGULATION TIME
\hˈə͡ʊl blˈʌd kə͡ʊˌaɡjʊlˈe͡ɪʃən tˈa͡ɪm], \hˈəʊl blˈʌd kəʊˌaɡjʊlˈeɪʃən tˈaɪm], \h_ˈəʊ_l b_l_ˈʌ_d k_əʊ_ˌa_ɡ_j_ʊ_l_ˈeɪ_ʃ_ə_n t_ˈaɪ_m]\
Definitions of WHOLE BLOOD COAGULATION TIME
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Measurement of the time required by whole blood to produce a visible clot. Factors that could influence the test are all but III, VII, and XIII. Activation may be by contact with the glass tube or exposure to diatomaceous earth. Delay of onset of coagulation may be achieved by use of nonwettable plastic or silicone-coated glass tubes. It is used for monitoring heparin therapy and as a bedside screening test for deficiencies in the intrinsic coagulation pathway. "Activated coagulation time" is sometimes referred to as ACT.
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