This ancient symbol, also called the Staff of Hermes, depicts two snakes intertwining around a stick that is capped by wings.

Since then, many commercial health ... known medical symbols is the oil lamp. While the other symbols evolved from ancient ...

A patient with a low potassium level was due to receive three sequential, hour-long infusions of highly concentrated potassium chloride 20 mEq in minibags. A primary IV of 0.9% sodium chloride was ...