1病例报告患者，男，67岁，偶发胸闷、心慌于1998年7月3日随团来院疗养，人院诊断冠心病，近3年来病情稳定，既往无药物过敏史。人院后3天因受凉感冒致反复咳嗽、咳痰，声音嘶哑，予以庆大霉素雾化剂超声雾化，15分钟后自感胸闷、呼吸困难、不能平卧。查体：口唇发纣，BP22／12 1 case report Patients, male, 67 years old, occasional chest tightness, palpitation on July 3, 1998 to accompany hospital to hospital, hospital diagnosis of coronary heart disease, the past three years the disease was stable, no past history of drug allergy. 3 days after hospitalization due to cold and cold caused by repeated cough, sputum, hoarseness, to gentamicin nebulizer ultrasonic atomization, self-feeling chest tightness after 15 minutes, breathing difficulties, can not lie down. Physical examination: lip hair, BP22 / 12