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1 临床资料歼击机飞行员,男性,28岁,飞行时间900 h,既往无心脏病史。查体:脉搏86次/min,血压108/85 mm Hg,神志清醒,颜面及肢体无发绀,无颈静脉怒张,肺部无于湿啰音。心界不大,心率86次/min,可闻及期前收缩6～8次/min,无病理性杂音。肝脾肋下未触及。实验室检查血尿便常规正常,血糖、血脂正常。胸部 X 线片检查无异常。心电图示:窦性心律,频发室性期前收缩6～8次/min。诊断:频发室性期前收缩,原因待查。进一步行超声心动图检查示:左心室
1 clinical data fighter pilot, male, 28 years old, flying time 900 h, no previous history of heart disease. Physical examination: pulse 86 beats / min, blood pressure 108/85 mm Hg, conscious, facial and limbs without cyanosis, no jugular vein engorgement, pulmonary wet rales. Heart, heart rate 86 times / min, can be heard and premature contraction 6 to 8 times / min, no pathological noise. Liver and spleen ribs untouched. Laboratory tests hematuria is routine, blood glucose, blood lipids normal. Chest X-ray examination no abnormalities. ECG shows: sinus rhythm, frequent ventricular contractions 6 to 8 times / min. Diagnosis: frequent ventricular contraction, the reasons to be investigated. Further line echocardiography showed: left ventricle