...（LVDd）的Z值为4.8～8.3，左室射血分数（LVEF）为23.7～49.4％；6例患儿中有1例左室壁明显肥厚，左室后壁舒张末期厚度（LVPWd）的Z值为4.4，另有3例左室壁轻度肥厚，LVPWd的Z值为2.1～2.9，其余2例左室壁未见肥厚。
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超声心动描记法为M型模式下测定舒张末期左室腔直径、左室后壁厚度及室间隔厚度及左室射血分数。
Under the m mode of echocardiography end diastolic left ventricular internal diameter left ventricular posterior wall thickness and interventricular septal thickness were determined.
以超声心动图检测左室舒张末期内径，舒张末期室间隔和左室后壁厚度等，计算左室重量指数(LVMI)。
The left ventricular diameter at end-diastole and the thickness of interventricular septum and posterior wall were measured with echocardiography. Left ventricular mass index (LVMI) was calculated.
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