结果表明：中枢性心律失常时，各种异位心律产生的心肌收缩力均较窦性心律下降。

Results suggest that the level of the myocardial contractility with ectopic arrhythmia was lower than that of the sinus rhythm.

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⑤沃-帕-怀综合征患者合并交接区性期前收缩等异位心律。

Wo-Pa-Huai syndrome and ectopic cardiac rhythm of copulatory zone premature beat.

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