论文部分内容阅读
血管扩张剂能降低外周血管张力,减轻心脏负荷,已用于各种心脏病的治疗。它能使左心功能不全患者的心功能改善,使充血和低排血量引起的症状缓解。目前也用于有严重瓣膜关闭不全患者的治疗。血管扩张剂的血液动力学效应,取决于它降低的是外周
Vasodilators can reduce peripheral vascular tension, reduce heart load, has been used for the treatment of various heart diseases. It can improve left ventricular dysfunction in patients with heart function, so that congestion and low blood output caused by the symptoms. It is also currently used in the treatment of patients with severe valvular insufficiency. The haemodynamic effects of vasodilators depend on the periphery of the decrease