Procedure in which a vein is punctured through the skin to withdraw blood for analysis, to start an intravenous drip, to instill medication, or to inject a radiopaque dye for a radio-graphic examination of a part of Sie body.
A type of specimen test in which blood is removed by inserting a needle into a vein and withdrawing it into a syringe or a catheter; a somewhat invasive kind of medical test, though generally in the West with little risk.
Piercing a venous blood vessel for the purpose of obtaining a blood sample.
The puncture of a vein through the skin with a stylet or a steel needle attached to a syringe or catheter. Venipuncture is performed to withdraw blood, inject a medication, start an intravenous infusion, or inject a radioactive substance for body imaging techniques.
Puncture of a vein, typically to obtain a specimen of blood. The pain of venipuncture may be diminished by several methods, including application of cold to the area just prior to the puncture; injection of sterile, normal saline intracutaneously to produce blanching of the site; and use of a local anesthetic to produce a wheal at the site.
The extraction of blood from a patient’s vein for the purpose of testing or research. The prevailing technique employed in adults entails the removal of blood from the inner arm vein close to the elbow utilizing a hypodermic needle and a suction tube.