心慌、胸闷、头晕、气短、乏力等等,这些症状都是心律失常的常见表现,那么何为心律失常呢?其实就是心脏不好好工作了,正常心跳的频率为60~100次/分钟,很有规律性。心律失常就是心脏不按这个规律跳了,一分钟可能是40下,也可能是150下,都有可能,就是时快时慢了。这是一种 Palpitation, chest tightness, dizziness, shortness of breath, fatigue, etc., these symptoms are common symptoms of arrhythmia, then what is arrhythmia? In fact, the heart is not working well, the normal frequency of heartbeat 60 to 100 beats / min Regular. Arrhythmia is the heart do not jump according to this law, one minute may be 40, may be 150, are possible, that is, when the time is slow. This is a kind