Based on VVI mode, it's added with a mechanism of diastolic pressure change modulating pacing rate.

该起搏器以VVI模式为基础，增加舒张压的变化量对频率调节的机制。

youdao

It is concluded that in elderly patients VVIR pacing can improve symptoms, quality of life when compared with VVI.

结果提示：VVIR起搏较V VI起搏更能改善老年患者的自觉症状、提高其生活质量。

youdao

Conclusion: Amiodarone can suppress the incidence of atrial fibrillation obviously after VVI pacemaker implantation.

结论胺碘酮对植入VV I型起搏器患者心房颤动的发生有明显的抑制作用。

youdao

Dual chamber pacing in SND is also favored over single chamber ventricular pacing (VVI), as it has been shown to reduce the risk of development of atrial fibrillation and the symptoms of pacemaker syndrome.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines