<unk>  or IV<unk>  is the giving of liquid substances directly into a vein. It can be intermittent or continuous; continuous administration is called an<unk>  drip. The word<unk>  simply means "within a vein", but is most commonly used to refer to IV<unk> . <unk> es administered<unk> ly are often called specialty pharmaceuticals.
Compared with other routes of administration, the<unk>  route is the fastest way to deliver fluids and medications throughout the body. Some medications, as well as blood transfusions and lethal injections, can only be given<unk> ly.
Intravenous therapy
Intraosseous infusion
Management of the thrombotic lesion
Emergency bleeding control
Surgical suture
Machine perfusion
Abdominal etching
Peritoneovenous shunt