目的研究胺碘酮对快速右心室起搏致充血性心力衰竭(CHF)犬模型心室电生理特性的频率依赖性影响。

Objective To investigate the frequency dependent effects of amiodarone on ventricular electrophysiology in right ventricular rapid pacing induced congestive heart failure (CHF) canine models.

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方法采用高分辨力超声无创性检测血管内皮依赖性舒张功能的方法比较收缩期和舒张期高血压（SDH）与正常血压组血流介导性舒张（FMD）与反应性充血的血管内皮依赖性舒张功能。

Methods A non-invasive high-resolution ultrasound was used to detect the flow-mediated dilatation (FMD) and the change of blood flow volume of reactive hyperaemia in SDH and the control.

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