问:近段时间我总觉得心慌,快走两步就觉得有点喘,心跳也会加快。以往上楼梯我从没觉得吃力,但现在爬到3楼便要休息一下。去医院检查,诊断为心律失常。医生告诉我不用服药,每天保证充足的睡眠,注意规律生活即可。请问,心律失常病情严重吗?长沙阳晓雅 Q: Recently, I always feel flustered, I feel a little quick to go two steps, heart rate will be accelerated. In the past I never felt strenuous on the stairs, but now I have to take a rest on the 3rd floor. Go to the hospital for examination, diagnosis of arrhythmia. Doctors told me not to take medicine, to ensure adequate sleep every day, pay attention to the law of life can be. Excuse me, does arrhythmia a serious condition? Changsha Yang Xiao Ya