Health Questions and Answers

Archive for February, 2011


Thursday, February 3rd, 2011

How is potassium (K+) distributed between the intracellular fluid (ICF) and ECF compartments? A 70-kg man contains approximately 3500 mEq of K+ (approximately 50 mEq/kg body weight). The vast majority of this (98%) is in the ICF space. Therefore, the amount in the ECF compartment (the portion that we routinely measure) represents only a small […]

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