1病例报告患者男,78岁,否认既往冠心病、糖尿病病史。晨起感头晕不适,舌下含服硝酸甘油(北京益民制药有限公司,0.5mg/片)1片,约1min后再次自行含服1片,1～2min后家属令其含服3片(总量2.5mg),立刻出现大汗、面色苍白、四肢无力、视物不清、意识模糊。查体:患者斜靠沙发,呼之不应 A case report of male patients, aged 78, denied previous coronary heart disease, history of diabetes. Morning feeling dizzy and discomfort, sublingual nitroglycerin (Beijing Yimin Pharmaceutical Co., Ltd., 0.5mg / tablets) 1, about 1min again after taking a self-service, 1 ~ 2min after the family made it containing 3 ( Total 2.5mg), immediately appeared sweating, pale, limb weakness, blurred vision, confusion. Physical examination: patients lean on the sofa, call should not