These are the symptoms which can mean a patient needs a cardiac pacemaker fitted but they may be exacerbated by treatment for high blood pressure which blocks the calcium channels.

• 这些症状意味着病人需要佩戴合适的心脏起搏器，但是他们的病情也许会恶化，因为那些治疗高血压的药物也阻滞了钙离子通道。