in medical terms what is an infusion?
<answer> A push intravenous infusion is the direct injection of medication into a vein through an intravenous line, needle, or catheter. <context> A push intravenous infusion is the direct injection of medication into a vein through an intravenous line, needle, or catheter. Manufacturers' instructions must be followed for preparation and administration of all such medications. The fluid to be infused and the flow rate are by prescription.