临床资料随机分为对照组32例,两组年龄、性别及病情方面,经统计学处理无显著差异。治疗方法:两组均经抗感染、吸氧、镇静、超声雾化吸入等处理。对照组:洋地黄常规治疗。治疗组:洋地黄+酚妥拉明治疗。即酚妥拉明0.5～1mg·kg~(-1)/次置于10%葡萄糖20ml～30ml 持续0.5～1小时静滴,或加入10%～25%葡萄糖20ml 缓慢静 Clinical data were randomly divided into control group of 32 cases, two groups of age, gender and disease, no significant difference by statistical analysis. Treatment: two groups were anti-infective, oxygen, sedation, ultrasonic inhalation and other treatment. Control group: digitalis routine treatment. Treatment group: digitalis + phentolamine treatment. Phentolamine 0.5 ~ 1mg · kg -1 / times placed in 10% glucose 20ml ~ 30ml 0.5 ~ 1 hour intravenous infusion, or add 10% ~ 25% glucose 20ml slow