1对象与方法患者,男,18岁,甘肃庆阳人,因体检发现心率快1年,夜间咳嗽3个月入院。患者1年前因征兵体检发现心率快,当时因无症状未予重视,近3个月出现夜间咳嗽,上腹饱胀感,食欲减退、纳差、消瘦,无晕厥、黑朦。既往无其他病史。查体:心率145次/min,律不齐,S1强弱不等,双肺底可闻及少量湿啰音,肝下界肋下2 cm,肝颈静脉回流征 1 objects and methods Patients, male, 18 years old, Qingyang, Gansu, because of physical examination found that the heart rate faster for 1 year, 3 months of cough at night admitted to hospital. Patient 1 year ago because of conscription medical examination found that the heart rate was not due attention to asymptomatic at the time, nearly 3 months cough at night, abdominal fullness, loss of appetite, anorexia, weight loss, no syncope, darkness. No previous other medical history. Physical examination: heart rate 145 beats / min, law irregularities, S1 strength ranging from the bottom of the lungs can be heard and a small amount of wet rales, the inferior border of the liver 2 cm, liver and neck vein reflux syndrome