| cutdown | Dissection of a vein for insertion of a cannula or needle for the administration of intravenous fluids or medication. Synonym: venostomy. (05 Mar 2000) |
|---|
| venous cutdown | <procedure> Creation of a small incised opening in a vein to permit the passage of a needle or cannula for withdrawal of blood, administration of medication, or in diagnostic or therapeutic catheterization. (12 Dec 1998) |
|---|