coagulation
Medical term Routine Blood Collections
Clotting: the chain of reactions in which clotting factors turn fibrinogen into a mesh of fibrin that holds a blood clot together.
Sources
Free practice questions that use coagulation
- Routine Blood Collections, question 5A physician office patient has orders for an aPTT (light blue-top) and a hemoglobin A1c (lavender-top). The phlebotomist uses a straight…
Related terms
- fibrinProtein threads formed from fibrinogen during clotting that bind platelets and blood cells into a clot.
- fibrinogenA clotting protein in plasma that is converted into fibrin; plasma contains it, serum does not.
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- clot activatorAdditive that makes blood clot faster so serum can be obtained; carried over into a citrate tube, it can…
- clotted specimenClots in a tube that should stay unclotted, often from too few or too-late inversions; rejected for…
- cold packCold compress applied to a hematoma in the first 24 to 48 hours to limit swelling, later followed by warm…
- collapsed veinA vein that flattens during the draw, often when a large tube or syringe pulls too hard on a small vein; use…
- crossmatchTesting done before a transfusion, except in emergencies, to check that donor blood is compatible with the…
- dehydrationA shortage of body water. Post-procedure care, as after a blood donation, includes encouraging fluids…