血气分析解读.docxVIP

血气分析解读

目录

一、基本概念................................................3

1.血气分析定义..........................................4

2.血气分析目的..........................................4

3.血气分析应用范围......................................5

二、血气分析指标及意义......................................6

1.血液酸碱度............................................7

理想pH值范围...........................................8

偏酸或偏碱时的临床意义.................................8

2.二氧化碳分压..........................................9

正常值范围............................................10

变化及其临床意义......................................10

3.氧分压...............................................12

正常值范围............................................13

低氧血症的诊断标准....................................14

4.血氧饱和度...........................................15

正常值范围............................................16

影响因素及临床意义....................................17

5.碳酸氢盐.............................................18

代谢性酸碱平衡的指标..................................20

变化及其临床意义......................................21

6.实际碳酸氢盐.........................................21

7.钾、钠、氯离子浓度.....................................23

血钾、血钠、血氯的正常值及异常值判断....................24

钾、钠、氯紊乱的临床意义................................24

乳酸增高的原因及临床意义..............................25

三、血气分析结果解读.......................................26

1.正常血气分析结果解读.................................28

2.单纯酸碱失衡.........................................29

代谢性碱中毒..........................................30

呼吸性碱中毒..........................................31

3.双重酸碱失衡.........................................32

呼吸性酸中毒合并代谢性碱中毒..........................32

呼吸性碱中毒合并代谢性酸中毒..........................34

4.三重酸碱失衡.........................................35

代酸加代碱............................................36

代碱加呼酸............................................37

呼吸性酸中毒合并代谢性酸中毒加代谢性碱中毒............37

5.复杂血气分析结果解读..........