??I.II????
1????P-R>0.20??P?QRS?.
2???????P?QRS??2:1;3:2;4:3????????????????
(1)???-P-R??P?R-R??P;?PR-R?P-P???
(2)???????P-R???QRS???????1:1;2:1;3:1;3:2;4:3??QRS????
????????????QRS?;?????????QRS??
“??I.II????” 的相关文章
2??
??????????????????
??????????????????P??P-R??PQRS????P-R????PQRS??????P-R??PQRS??PQRS?????????????????????????????????????
????????????????
??????????????????????
??N???????????????????????????? [?]???????????????????
??????????
??????
????????????
??????
?????
????????
???????? [?]??? [?]?????????...
??????????????????P??P-R??PQRS????P-R????PQRS??????P-R??PQRS??PQRS?????????????????????????????????????
????????????????
??????????????????????
??N???????????????????????????? [?]???????????????????
??????????
??????
????????????
??????
?????
????????
???????? [?]??? [?]?????????...
??
????????????????????????????????????
???????????????????????????????????????
???????????????????????????????????????
??????
?????,P-R ??0.24s,??0.65%~1.1%,50 ??1.3%.
?,?????8.7%.???,?,?,,????,??,??P-R ?.
??P-R ????,??.?.
???????,????,????4%~15%,??.??,??????,?,.???,??????.????????,???.
?,?????8.7%.???,?,?,,????,??,??P-R ?.
??P-R ????,??.?.
???????,????,????4%~15%,??.??,??????,?,.???,??????.????????,???.
?????
?????????????????????????0.3mg23 /d ??100200mg23 /d ??P-R ?????P-R ???????-????????????????????????????????????????????????????????P-R ????H-V ?(60ms)???.
?~~?~~
?~~?~~
????
??????????????????????????????????????????????????????????????????,?????????
????????????Y??????
????????????Y??????