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虽然在理论上,血管扩张剂治疗急性和慢性充血性心力衰竭颇为有效,但在临床应用中还存在实际问题。硝普盐和酚妥拉明静脉注射由于其血管扩张作用迅速、强力,需用侵入性方法进行血液动力学监护。舌下含用
Although in theory vasodilators are quite effective in the treatment of acute and chronic congestive heart failure, there are practical problems in clinical use. Nitroprusside and phentolamine intravenously due to its rapid vasodilator effect, the need for invasive hemodynamic monitoring. Sublingual use