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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...

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

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

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