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

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

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

???   2010-04-23 18:41 ????,?,...

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

      ?????,P-R ??0.24s,??0.65%~1.1%,50 ??1.3%.
 ?,?????8.7%.???,?,?,,????,??,??P-R ?.
??P-R ????,??.?.
???????,????,????4%~15%,??.??,??????,?,.???,??????.????????,???.

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