Contraindications documented hypersensitivity 。 adams - stokes syndrome and wolf - parkinson - white syndrome ; severe sinoatrial , av , or intraventricular block ( if artificial pacemaker is not used ) 禁忌癥:由過敏史者。阿斯綜合征,沃-帕-懷綜合征,嚴(yán)重竇房結(jié).房室結(jié)傳導(dǎo)阻滯或室內(nèi)阻滯患者禁用。