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患儿男,9岁。以咳嗽、心悸2月,浮肿1月为主诉入院。心率116次/分,心律整齐,心左界在第10肋间锁骨中线外3.5cm心尖搏动弥散,各瓣膜区未听及杂音,无震颤。心电图:电轴左偏(-55°),Rv_525mm,R_(v1)+R_(v5)50mm,示左室肥厚。心脏X线拍片:双肺瘀血,左房及左右室增大,以右室显著。二维超声示左室舒张末径53mm(正常39.7±23mm,室间隔厚度5mm,左室后壁厚度5mm,右室腔径28mm(正常12mm),左房径34mm(正常20.9mm)。心功能测定
Children male, 9 years old. To cough, palpitations February, edema January main complaint. Heart rate 116 beats / min, rhythm of tidy, left heart in the 10th intercostal clavicle 3.5cm outside the apex of the apex pulsation dispersion, the valve area did not hear the noise and no tremor. ECG: left axis deviation (-55 °), Rv_525mm, R_ (v1) + R_ (v5) 50mm, showed left ventricular hypertrophy. Cardiac X-ray film: lung bleeding, left atrium and left ventricular enlargement to the right ventricle significantly. Left ventricular end diastolic diameter 53 mm (normal 39.7 ± 23 mm, interventricular septum thickness 5 mm, left ventricular posterior wall thickness 5 mm, right ventricular diameter 28 mm (normal 12 mm), left atrium diameter 34 mm (normal 20.9 mm) Determination