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。