??

?????????????????????????3040??????????????????????????????????????100?
?????????????????????
1. ????????????160/60????140????50??????????6065??????????`????????
2. ?????????????????????????????acei??????????
?
??
?
??

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

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

??????? 30-40 mmHg ? 60 mmHg ?? 20 mmHg ??
????????????????????????????????????
?????????????????????????????????
?????????????????|??????? ( ??? ) ?????????????????????????????????????

?????????????????????????????????????
??????
1????????????
2???????????????B12?C\"??\"????????????????????????????
3??????????
4????????????????????
5??????????????12-15???????????????????
????