潘×,男,43岁,因气喘、呼吸困难四小时而于1974年8月10日入院。患者因有胃溃疡史多方治疗无效而改服呋喃唑酮,在服第三次剂量(每次0.2克)后感胸闷、气喘,继之明显呼吸困难而来院。体检:神志清,呈喘息状,唇、指明显发绀。经用氨茶硷、地 Pan ×, male, 43 years old, was hospitalized on August 10, 1974 due to asthma and difficulty breathing for four hours. Patients with gastric ulcer history of multi-treatment ineffective and change service furazolidone, after taking the third dose (0.2 grams each) after feeling chest tightness, asthma, followed by obvious difficulty in breathing to the hospital. Physical examination: clear mind, wheezing, lips, refers to the obvious cyanosis. After using ammonia theophylline, to