base excess of extracellular fluid

Abbreviation: BE (ecf)
The substance concentration of base in extracellular fluid determined at a pH of 7.40 and Pco₂ of 40 mm Hg. Because this quantity cannot be determined directly, a model of extracellular fluid is used as a basis. The model consists of one volume of blood plus two volumes of plasma. As with the base excess of blood, this quantity helps one assess the respiratory versus metabolic components in acid-base balance. In contrast to the base excess of blood, the base excess of extracellular fluid is said to be more representative of the acid-base status of the accessible fluid compartment and thus more appropriate for deciding on and evaluating therapy. See also: base excess

单词	base excess of extracellular fluid
释义	DictionarySeebeEncyclopediaSeeBe base excess of extracellular fluid base excess of extracellular fluid Abbreviation: BE (ecf) The substance concentration of base in extracellular fluid determined at a pH of 7.40 and Pco₂ of 40 mm Hg. Because this quantity cannot be determined directly, a model of extracellular fluid is used as a basis. The model consists of one volume of blood plus two volumes of plasma. As with the base excess of blood, this quantity helps one assess the respiratory versus metabolic components in acid-base balance. In contrast to the base excess of blood, the base excess of extracellular fluid is said to be more representative of the acid-base status of the accessible fluid compartment and thus more appropriate for deciding on and evaluating therapy. See also: base excess FinancialSeeBE
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