Plasma osmolality is measured in mOsm/L and is normally 300

Last updated: 7/6/2022

Plasma osmolality is measured in mOsm/L and is normally 300 mOsm/L. If a patient is given an intravenous solution that is 0.9% NaCl (300 mOsm/L NaCl), his or her red blood cells will swell lyse shrink not change size or shape. first shrink, then swell