??

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

??????????????????
??????????????????P??P-R??PQRS????P-R????PQRS??????P-R??PQRS??PQRS?????????????????????????????????????
????????????????
??????????????????????

??N???????????????????????????? [?]???????????????????
??????????
??????
????????????
??????
?????
????????
???????? [?]??? [?]?????????...

??,?????.???:?`??`?.???,`????.????`???`?`?`?.,???.?????,.
????????,??????,???.
??
1.??????????????????????????
2.???I???50/???????????
3.???????: (1)???????????? (2)?-??
4.???????
?
????????

1.??? 2.????????????<40/min???????????????<40/min??????25mg35/d10mg???2~6h 1lmg5?500m1? ??????5?100~200ml1.87mol4060ml?? 3.??-???????? 4.????????????????????????????????????? 5.???????????????????? ???QRS??????????? 6.????40??????????510mg?4??????????1-4ug????1????4??510mg??003g34/d????-??05mg...

????????????? ???V1rSR\'?V5V6S?QRS??0.11???????????????????????????????????