Blood Specimens | 合法醫療器材資訊網
SampleCollectionforCoagulationTesting......Example:Patienthematocrit=60%.Totalvolume=5mL(standardcitratedplasmacollectiontubevolume).
Sample Collection for Coagulation Testing1. Collection Tube. Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate.
Note: Please examine specimen collection and transportation supplies to be sure they do not include expired containers[1].
2. High Hematocrit Samples. Patients with elevated hematocrits have a relatively low amount of plasma for a given whole blood (collection) volume. This tends to increase the plasma citrate concentration effectively. If the patient has a known hematocrit >55%, the amount of citrate in the collection tube must be decreased according to the formula below.
The equation in CLSI H21 is as follows:
C = (1.85 x 10−3) (100−Hct) (Vblood)
Where:
C is the volume of citrate remaining in the tube.
Hct is the patients hem...
A coagulation test requiring 3 mL is being performed | 合法醫療器材資訊網
NHA Flashcards | 合法醫療器材資訊網
Blood Specimens | 合法醫療器材資訊網
Blood Collection | 合法醫療器材資訊網
WHO guidelines on drawing blood best practices in phlebotomy | 合法醫療器材資訊網
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Appropriate Maximum Phlebotomy Volumes | 合法醫療器材資訊網
LAB.QA.106 Collection of Specimens for Laboratory and Point ... | 合法醫療器材資訊網
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