心悸、胸闷常为病人就诊的主要甚至唯一原因。心律失常引起心悸、胸闷的比例占多少,临床未见统计报道。本文通过瞬间心电图探讨心律失常引起心悸、胸闷的比例。1 对象与方法 病例228例,男34例,女194例,年龄18～65岁。所有病例就诊时以心悸或胸闷为唯一症状,查体、胸片、常规心电图、二维彩色多普勒超声均未见异常。苏州智能科学仪器厂生产的瞬间心电图机,型 Palpitations, chest tightness, often the main or even the only reason for patient treatment. Arrhythmia caused by palpitations, chest tightness accounted for the proportion of the proportion, no clinical reports. This article through the instantaneous electrocardiogram arrhythmia caused by heart palpitations, chest tightness ratio. 1 objects and methods 228 cases, 34 males and 194 females, aged 18 to 65 years. All cases treated with palpitations or chest tightness as the only symptom, physical examination, chest X-ray, conventional electrocardiogram, two-dimensional color Doppler ultrasound showed no abnormalities. Suzhou Intelligent Scientific Instrument Factory production of instant ECG machines, type