???? ??

?????~
???1??????????2?????????3??????
??160/75????????90-140??60-90???????????????????????????????????????????????????????????????????????????????????????????????????????????
1 ?

l??24kg/m2?2????6g???25????15???????????2030g??1015g3?4?????

2 ?

????????1??2?????????31????????2?????2??4?????1?...

??????????
?????????3?????????+??????????????????????1?2?4????????3?????150/60-50mmHg???50???????
???????????????????????????????
???????B+???????

????????????????????????120???80???40??????????????????????^

?????20~60?2.67~8.0Kpa60????20?????1??????????2?????????3??????

??????????????????????????????????????????????

??????????????????????????????????????

?????20~60?2.67~8.0Kpa60????20??????,??,??????;??????,??,?.???????,????.
?105??????????????

??????? 30-40 mmHg ? 60 mmHg ?? 20 mmHg ??
????????????????????????????????????
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