Resting Membrane Potential (and How it Can Help You in Med-Surg)

How well do you remember and understand the Resting Membrane Potential in cells?  Get ready to think back to your Biology prerequisite days, because this basic idea is the foundation to understanding nursing concepts as diverse as electrolyte imbalances, muscle movement, and myasthenia gravis. The key to understanding Resting Membrane Potentials is to remember two … [Read more…]

3 Tricks to Help You Remember Electrolyte Imbalances

You really need to memorize the normal lab values for each of the six common electrolyte imbalances (sodium, potassium, calcium, chloride, magnesium, and phosphate).  By the way, did you think I never like memorization?  I actually do, but only for very particular types of information, like lab values.  However, once you’ve memorized the lab values, you really need … [Read more…]