洋地黄是治疗心力衰竭的传统性药物,应用于临床已200余年,以往一直认为治疗心力衰竭是由于其正性肌力作用所致,近些年来研究表明,其作用有血流动力学效应:增强心肌收缩力,增加射血分数;神经内分泌作用:降低交感神经 Digitalis is the traditional treatment of heart failure drugs, used in clinical practice for more than 200 years, in the past has been that the treatment of heart failure due to its positive inotropic effect in recent years, studies have shown that its role in hemodynamic effects: Enhance myocardial contractility and increase ejection fraction; neuroendocrine: reduce sympathetic