cold pack

Medical term Routine Blood Collections

Cold compress applied to a hematoma in the first 24 to 48 hours to limit swelling, later followed by warm compresses.

Sources

• Chang J, et al. Standards and Practice Guidelines for Venous Blood Collection: Consensus Recommendations from the Korean Society for Laboratory Medicine. Ann Lab Med 2025;45(4):343-357 (PMC12187494) · Annals of Laboratory Medicine via PubMed Central

Related terms

• hematomaSwelling from blood leaking into tissue at the puncture, for example when the needle goes through the vein…
• cephalic veinVein on the thumb side of the forearm and antecubital area; the second choice for venipuncture after the…
• 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…
• coagulationClotting: the chain of reactions in which clotting factors turn fibrinogen into a mesh of fibrin that holds…
• 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…
• dermal punctureCapillary collection: a lancet pierces the fingertip, or an infant's heel, to obtain a few drops of blood…

Study Routine Blood Collections

• Free Routine Blood Collections practice questions
• All Routine Blood Collections terms
• Venous Order of Draw, Additives and Inversions
• Phlebotomy Abbreviations and the Do-Not-Use List
• Medical Word Parts for Phlebotomy