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硝酸甘油的药理作用主要是通过扩张冠状动脉,增加冠状动脉供血,达到抗心绞痛的作用。此外,该药也可通过扩张其他动脉、静脉,使外周血管阻力下降,减轻心脏负荷。在所有药物中,硝酸甘油是抗心绞痛的特效药,是冠心病人发病时急救的必备良药。心绞痛发作的特点使用急救药,首先要对心绞痛做出准确判断。人体内供应心脏的血管(冠状动脉)发生粥样硬化狭窄或痉挛,心脏血液供应减少,就会出现心绞痛。高危
Pharmacological effects of nitroglycerin is mainly through the expansion of the coronary artery, coronary artery to increase blood supply, to the role of anti-angina. In addition, the drug can also be through the expansion of other arteries and veins, so that peripheral vascular resistance decreased, reduce heart load. In all drugs, nitroglycerin is an anti-anginal medicine, coronary heart disease is an essential medicine for emergency treatment. The characteristics of angina pectoris Use of emergency medicine, angina pectoris to make accurate judgments. The supply of the heart’s blood vessels (coronary arteries) to the body causes atherosclerosis, stenosis or cramps, reduced blood supply to the heart, and angina. High-risk