突发心脏不适都知道要找硝酸甘油,但在慌乱的救治中,很多人却没有用对硝酸甘油,甚至人为降低了药效。这个看似熟悉的急救药,在用法、用量以及适宜人群上都有特殊的要求。说剂量——超3片可能诱发心绞痛初次含服硝酸甘油时应从小剂量开始,一般为0.3~0.6毫克。但是有的家属看到病人用药后无明显改变就自行加大剂量,这样不但不能缓解心绞痛,反而会诱发心绞痛。原因与硝酸甘油的作用机制有关,一旦服用硝酸甘油剂量较大,外周 Sudden cardiac discomfort knows to find nitroglycerin, but in the panic treatment, many people have no use of nitroglycerin, or even artificially reduced efficacy. This seemingly familiar emergency medicine, in the usage, dosage and the crowd have special requirements. Said dose - super 3 may induce angina First dose of nitroglycerin should start small doses, usually 0.3 to 0.6 mg. However, some families see the patient medication without significant change on their own to increase the dose, so that not only can not relieve angina, but will induce angina. The reason and the mechanism of action of nitroglycerin, nitroglycerin once taking a larger dose, the periphery