结果：异丙肾上腺素引起心肌细胞游离钙离子浓度和肌质网钙负荷明显增加（分别增加89%和116%）。

RESULTS:Isoproterenol induced an obvious increase on i and SR calcium load by 89 % and 116 % respectively.

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采用荧光分光光度计动态测量不同条件下各组心肌细胞内游离钙离子浓度的变化。

The changes of the intracellular concentration of free calcium ion in myocardial cells in each group under different conditions were dynamically measured with spectrofluorometer.

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结论：在常氧条件下葛根素注射液使心肌细胞内游离钙离子浓度明显下降；

CONCLUSION:Under normal oxygen, puerarin injection can obviously decrease the intracellular concentration of free calcium ion in myocardial cells;

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