盐酸哌唑嗪(prazosin hydrochloride)为新型的喹唑啉类血管扩张药,它能选择性地扩张阻力血管和容量血管,即能扩张动脉血管,也能扩张静脉血管,故能够均衡地减轻严重心力衰竭患者心脏的前后负荷,改善心脏功能,可以明显地提高心脏输出量和工作效率。本品与利尿剂或β-阻滞剂合用,对治疗 Prazosin hydrochloride (prazosin hydrochloride) is a new type of quinazoline vasodilator, which can selectively expand resistance and capacity of blood vessels, that is, can dilate the arteries, but also dilate the veins, it can be balanced to reduce serious heart Failure in patients with heart before and after the load, improve heart function, can significantly improve cardiac output and work efficiency. This product is combined with diuretics or β-blockers, the treatment