?S????
oxygen dissociation curve ???????????????????????????pO2????
???Hb???????S???1??????Po213.3kPa100mmHg8.0kPa60mmHg???Po2?Hb??????Po28.0kPa60mmHgHb???90%?????????
2?????HbO2?O2???Po28.0~5.3kPa60~40mmHg?Hb???????OO2?
???Po25.3~2.0kPa40~15mmHg??Po2?Hb???????O2?????????O2
?S?Hb?q??
?????????????????????????????S
???Hb???????S???1??????Po213.3kPa100mmHg8.0kPa60mmHg???Po2?Hb??????Po28.0kPa60mmHgHb???90%?????????
2?????HbO2?O2???Po28.0~5.3kPa60~40mmHg?Hb???????OO2?
???Po25.3~2.0kPa40~15mmHg??Po2?Hb???????O2?????????O2
?S?Hb?q??
?????????????????????????????S
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??36h??30%40%???????30min?????PaO 2 ??????????????????????100/min????????VitE?VitE??????
3
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为何通气/血流比失调时因血氧分压大于CO2分压而有低氧血症，但无CO2潴留？
因为通气功能是好的,换气功能障碍,所以不会有CO2潴留 到爱医网网站查看回答详情>>