Calcium channel blockers reduce afterload with little effect on preload.
钙通道阻滞剂降低后负荷，而对前负荷几乎没有作用。
Variation of afterload influenced not only early, but also late diastolic filling parameters.
后负荷变化影响舒张早期及心房收缩期左室充盈。
Objective To investigate the effect of afterload pressure on hemolytic blood damage in centrifugal pump.
目的探讨离心泵后负荷压力对血液破坏的影响。
PPV is very helpful in patients with cardiogenic pulmonary edema, as it helps to reduce preload and afterload.
PPV对心源性肺水肿的患者十分有益，因它可减少前负荷和后负荷。
CONCLUSION: Ventricular arrhythmia induced by increasing afterload in LV related to increase of temporal dispersion of refractory period.
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 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.
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。
Objective: To study on the changes of right cardiac afterload and right ventricle pumping function according to different operation ways after pulmonary resection by Doppler pulmonary flow spectrum.
目的：运用多普勒肺血流频谱，观察不同术式的肺切除后右心后负荷及泵功能的变化情况。
Objective: To study on the changes of right cardiac afterload and right ventricle pumping function according to different operation ways after pulmonary resection by Doppler pulmonary flow spectrum.
目的：运用多普勒肺血流频谱，观察不同术式的肺切除后右心后负荷及泵功能的变化情况。
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