Methods: pH, AB, BE, PCO_2, lev- els of K~+, Na~+, CI~- in artery blood were dynamically measured for 497 times in 75 cases with peri-operation of CPB by using NOVA pH/bldri gas analyzer.

• 方法：对75例心脏 病人CPB围术期497例次的血pH、AB、BE、PCO_2、PO_3及K~＋、Na~＋、Cl~－的测定结果进行分析。