IV therapy, or intravenous therapy, is a method used to administer fluids, medications, nutrients, or blood directly into a patient's bloodstream through a vein. According to provided information, IV therapy involves a small plastic tube (cannula) inserted into a vein, a needle, and plastic tubing connecting the cannula to a bag of fluid.
Understanding IV Therapy
Here's a breakdown of the key components and purpose of IV therapy:
- Direct Delivery: IV therapy bypasses the digestive system, allowing for rapid and complete absorption of the administered substance.
- Components:
- Cannula: A small, flexible plastic tube inserted into a vein.
- Needle: Used to insert the cannula into the vein; it is then removed, leaving the cannula in place.
- Tubing: Connects the cannula to the fluid bag.
- Fluid Bag: Contains the fluid, medication, nutrients, or blood being administered.
Purposes of IV Therapy
IV therapy serves a variety of medical purposes, including:
- Hydration: Replenishing fluids in cases of dehydration due to illness, surgery, or other causes.
- Medication Administration: Delivering medications directly into the bloodstream for rapid effect.
- Nutrient Delivery: Providing essential nutrients to patients who are unable to eat or absorb nutrients through the digestive system.
- Blood Transfusions: Administering blood or blood products to patients who have lost blood or have certain medical conditions.