What Is the Difference Between HCO3 Actual and Standard?

According to the acid-base tutorial from Tulane University Department of Anesthesia, standard bicarbonate is the bicarbonate concentration under standard conditions of 40 mmHg pCO2, temperature of 37 degrees Celsius and saturated with oxygen. The term standard bicarbonate was introduced by Jorgensen and Astrup in 1957.

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