artificial pacemaker造句

• When the first artificial pacemakers for the human heart were developed about 30 years ago , the sole objective was to save the patient from unpredictable sudden death
  当首批心脏起搏器在大约30年前问世时，其唯一的目的就是使患者免遭意外的猝死。
• Contraindications documented hypersensitivity 。 adams - stokes syndrome and wolf - parkinson - white syndrome ; severe sinoatrial , av , or intraventricular block ( if artificial pacemaker is not used )
  禁忌症：由过敏史者。阿斯综合征，沃-帕-怀综合征，严重窦房结.房室结传导阻滞或室内阻滞患者禁用。