👉 Intraarterial, also known as intravenous, refers to a procedure where medication is given directly into a vein in the body. This type of treatment involves using a needle or syringe to deliver medications like blood-thinning agents, antibiotics, and other fluids directly into a specific part of the body. The process typically begins with the healthcare provider inserting a small needle or syringe into a vein (usually in the arm) that is known as an "intravenous" catheter. This allows