hemostasis
Medical term Routine Blood Collections
The body's process for stopping bleeding: the vessel narrows, platelets form a plug, then coagulation builds a fibrin clot.
Sources
Related terms
- coagulationClotting: the chain of reactions in which clotting factors turn fibrinogen into a mesh of fibrin that holds…
- fibrinProtein threads formed from fibrinogen during clotting that bind platelets and blood cells into a clot.
- hematomaSwelling from blood leaking into tissue at the puncture, for example when the needle goes through the vein…
- hemoconcentrationRise in cell and protein concentration when plasma water leaves the vein, as with a tourniquet left on too…
- hemoglobinIron-based protein packed inside red cells; it picks up oxygen in the lungs, releases it to tissues and…
- hemolysisRupture of red cells that releases hemoglobin and potassium into serum or plasma, tinting it pink to red and…
- heparinAnticoagulant that blocks thrombin. Green-top tubes hold lithium or sodium heparin for plasma chemistry; it…
- hypotensionLow blood pressure. It can make a patient dizzy or faint, so watch closely during and after the draw.
- iatrogenic anemiaAnemia caused by medical care, such as repeated blood draws; collect only the volume needed, especially from…
- inversionGently turning a filled additive tube upside down and back, the number of times the manufacturer specifies…