Arterial Blood Gas AnalysisLoading...pH<7.3507.35-7.45+1>7.45+2PCO2<35 mmHg035-45 mmHg+1>45 mmHg+2HCO3<22 mEq/L022-26 mEq/L+1>26 mEq/L+2适用指征洞见与注意事项