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????????????????????Na+-K+-ATP???????Ca2+?????????????????????????????
()?
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()?
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()????
1TS-T???T???S-T???
2P-R???
3Q-T???
4P-P?2??????
?????

1?????????QRS?

?QRS??????QRS??????????QRS????QRS?????????QRS??????QRS???????????

2?? ????????????????
????????????QRS???????QRS??????????
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????????????????????????????????????????????????????????????????????????????????????????P??F250~300????????RS???QRS??F-R?????????F-R??????????????????????????????????????????????????????????????????? ?????????????

?P-R ????

1.?? A-H ?60msH-V

2.??P-R(A-H)?100ms

3.??200 /min ??11 ?

4.??P-R ?0.12s(?7)

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1.??

(1)P-R ?????

P-R ?0.12s(?1)

QRS ??

P-J ?

???ST-T ??

(2)?P-R ?????

?P-R ???????P-R ?0.12s?0.080.11s?P ?QRS ?P-R ?
...