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硝酸盐主要扩张静脉,对小动脉亦有较小的扩张效应,且能解除心肌缺血区的冠状动脉痉挛,沿用于治疗心绞痛。亚硝酸异戊酯吸入已被淘汰,但舌下硝酸甘油(GTN)仍被
Nitric acid mainly dilates the vein, also has the smaller dilatation effect to the small artery, and can relieve the coronary artery spasm in the myocardial ischemic area, and is used for treating the angina pectoris. Isoamyl nitrite inhalation has been eliminated, but sublingual nitroglycerin (GTN) is still being used