As a nurse you are expected to know about electrolytes, their normal levels, and what effect they have on the body if they fall outside of their usual range. Here are a few key electrolytes you’ll want to memorize!
Preload is the stretch. The amount of volume being returned to the right side of the heart from systemic circulation. Afterload is the squeeze. The amount of resistance the left side of the heart has to overcome in order to eject blood.
