Physiological Saline

SOF

* Physiological saline can also be termed isotonic saline

Physiological saline is 0.9 % NaCl (0.85 % is also OK)

* The recipe for isotonic saline is 9 g NaCl/liter water

* Isotonic saline can also be termed normal saline

* The osmolarity of normal saline is approx. 308 mOsm/liter (300 is often quoted)

* Home-made saline is 1/2 teaspoon table salt in 8 oz. water (this is not sterile!)

* Hypertonic saline solutions have medical indications

* Hypotonic saline solutions have medical indications

* Sterile saline is stable for approx. 2 years in the refrigerator (4C)--do not freeze

* 7% hypertonic saline (nebulized) has been shown to increase mucociliary clearance



EL

* Saline-Wikipedia

* Hypertonic saline dressings (for healing)