IV Therapy Flashcards
Intravenous
within the vein
IV therapy
infusion of liquid substance directly into the vein
Drip
IV commonly called a “drip” due to drip chamber that prevents air from entering vein
Venipuncture
a technique in which vein is puncture by needle thru the skin
Purposes of IV therapy
maintain or replace body’s store of water,electrolytes,proteins,calories,nitrogen
Restore acid-base balance
Replenish blood volume
Medication administration
Provide route for maintaining nutritional status
Kidneys
maintain fluid composition by controlling amt of fluid
made and released/adrenal glands release aldosterone which is directly influences sodium levels
Lungs
Two biggest culprits for insensible fluid loss through respirations
Skin
Loss thru perspiration
Pituitary gland
releases anti diuretic hormone (prevents dieresis by increasing the reabsorption of water
Pure water is ___________
hypontonic
Why is osmolality important to understand?
This is the concentration of the solution
the body’s electrolyte-water balance
the number of dissolved particles contained in unit of water
Normal serum osmolality
275-300 mOsm/kg
Types of IV fluids
Crystalloids
Colloid
Blood products
Crystalloids
can cross membrane
hypotonic
hypertonic
isotonic
Colloid
can not cross membrane
plasma expanders