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Henderson-Hasselbalch Equation

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Calculation for pH using the Henderson-Hasselbach Equation.  The Henderson-Hasselbalch equation estimates the serum pH based on the partial pressure of CO2 and the measured level of bicarbonate in a patient’s blood.

All calculations must be confirmed before use. The authors make no claims of the accuracy of the information contained herein; and these suggested doses are not a substitute for clinical judgement.

Last reviewed: July 14, 2015.

Topics: Critical Care Pulmonology