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In medicine, venipuncture or venepuncture is the process of obtaining intravenous access for the purpose of venous blood sampling (also called phlebotomy) or intravenous therapy. In healthcare, this procedure is performed by medical laboratory scientists , medical practitioners , some EMTs , paramedics , phlebotomists , dialysis technicians ...
The Seldinger technique, also known as Seldinger wire technique, is a medical procedure to obtain safe access to blood vessels and other hollow organs. It is named after Sven Ivar Seldinger (1921–1998), a Swedish radiologist who introduced the procedure in 1953.
Venous cutdown is an emergency procedure in which the vein is exposed surgically and then a cannula is inserted into the vein under direct vision. It is used for venous access in cases of trauma, and hypovolemic shock when the use of a peripheral venous catheter is either difficult or impossible.
Phlebotomy is the process of making a puncture in a vein, usually in the arm, with a cannula for the purpose of drawing blood. [1] The procedure itself is known as a venipuncture , which is also used for intravenous therapy .
This name for handheld venipuncture devices first appears in Anglo-Saxon manuscripts around 1000. [1] The name is most likely derived from phlebotome: phlebos, Greek for blood vessel and tome, meaning to cut. [2] These instruments are the progression from the early use of fish teeth, sharpened stones, and thorns used to penetrate blood vessels.
To reduce the risk of intraamniotic infection, antibiotics are supplied through the intravenous access about 30–60 minutes before the procedure. If movement of the fetus is a risk to the success of the procedure, the fetus may be paralyzed using a fetal paralytic drug. [10] This image shows anterior blood sampling from the umbilical cord.
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Therapeutic phlebotomy refers to the drawing of a unit of blood in specific cases like hemochromatosis, polycythemia vera, porphyria cutanea tarda, etc., to reduce the number of red blood cells. [ 6 ] [ 7 ] The traditional medical practice of bloodletting is today considered to be a pseudoscience .