Milliequivalents (mEq)

Some medical tests give results in milliequivalents (mEq). An equivalent is the amount of a substance that will react with a certain number of hydrogen ions. A milliequivalent is one-thousandth of an equivalent.

Last Updated: June 9, 2009

Author: Maria Essig

Medical Review: E. Gregory Thompson, MD - Internal Medicine & Anne C. Poinier, MD - Internal Medicine

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