结论：增加左心室后负荷诱发室性心律失常，与左室空间不应期离散增加有关。

CONCLUSION: Ventricular arrhythmia induced by increasing afterload in LV related to increase of temporal dispersion of refractory period.

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结论介入综合治疗急性pte能够快速改善血液动力学，降低右心室后负荷，预防PTE复发。

Conclusion To cure the acute PTE with interventional comprehensive treatment can improve the hemodynamics quickly, decrease the afterload of right ventricle and prevent the recurrence of PTE.

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