2.02 capacity (cO2 max) 100ml血液中的Hb被氧充分饱和时的最大携氧量 Maximum amount of o that can be combined chemically with the hb in 100 ml blood. Normal: 20 ml/dl (15g Hb/100 ml blood Influenced by the amount of qua lity and quantity of b
2. O2 capacity (CO2 max) 100 ml 血液中的Hb被氧充分饱和时的最大携氧量 Maximum amount of O2 that can be combined chemically with the Hb in 100 ml blood. Normal: 20 ml/dl (15g Hb/100 ml blood ) Influenced by the amount of quality and quantity of Hb
3. 0, content (cO,) 100mlIb的实际携氧量 The concentration of O2 in a blood sample Normal: Ca0,:19 ml/dl. cvo,: 14 ml/dl Influenced by the po2 and co2 max The difference between Ca02 and cvo2 动静脉血氧差:动脉血氧含量-静脉血氧含量
100 ml Hb的实际携氧量 The concentration of O2 in a blood sample Normal: CaO2 : 19 ml/dl, CvO2 : 14 ml/dl 3. O2 content (CO2) Influenced by the PO2 and CO2 max The difference between CaO2 and CvO2 动静脉血氧差: 动脉血氧含量 - 静脉血氧含量
Cao2--Cvo2 Reflect the oxygen consumption rate of the tissue 19ml/dl 14mldl A 020 5ml/dl
19ml/dl 14ml/dl 5ml/dl A O2O2 O2O2 O2 V CaO2 -- CvO2 Reflect the oxygen consumption rate of the tissue
.O saturation ( SO) 指Hb结合氧的百分数 Amount of oxygen actually combined with Hb, expressed as a percentage of oxygen capacity. CO2-O, of physical solution 100% cO max Normal: Sa02% SvO2 75% Influenced by the Po2
4. O2 saturation ( SO2 ) Normal: SaO2 95% SvO2 75% Influenced by the PO2 指Hb结合氧的百分数 Amount of oxygen actually combined with Hb, expressed as a percentage of oxygen capacity. CO2 – O2 of physical solution CO2 max = 100%
1 Shift to left 90tiPaCOz lemperature 写 a0十4pH 742,3DPG shift to rIght 4PaC02 t Temperature 与囗 50 23-DPG Normal 10 1D2D3D真D百D6T0思10囗 PaO2〔mmHg
2,3 -DPG 2,3 -DPG P50