????

??????QRS?PR??????

??   2010-04-23 18:11   ??2????   ???,,   ?  

???   2010-04-23 18:20 ???????QRS???????P--R????

???   2010-04-23 18:41 ????,?,...

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??

?????????????????????????0.3mg23 /d ??100200mg23 /d ??P-R ?????P-R ???????-????????????????????????????????????????????????????????P-R ????H-V ?(60ms)???.
?~~?~~

?????????

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

??????N??????????????????????????????????????
?????????????????????????????????????????????????????????
?????????????????2.4%??????????????????????????
??????