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患者女,18岁,因活动后胸闷不适就诊。查体:胸骨左缘第3、4肋间闻及Ⅲ~Ⅳ级收缩期杂音。超声心动图示:左室壁及室间隔增厚,厚度分别为14、15mm;二尖瓣前叶近瓣环处可见一冗长带状稍高回声附着并连接于室间隔基底部左室侧,厚度约4.5mm,距主动脉瓣约14mm,随心动周期活动,收缩期开放呈“降落伞”样凸向左室流出道(图1箭头示),CDFI:收缩期左室流出道内可见细束血流通
Female patient, 18 years old, due to chest tightness after discomfort treatment. Physical examination: the left sternal 3,4 intercostal smell and Ⅲ ~ Ⅳ systolic murmur. Echocardiography: left ventricular wall and ventricular septal thickening, the thickness was 14,15mm; mitral valve anterior lobe near the annulus can be seen a long, slightly hyperechoic echo and attached to the left ventricular base of the left ventricular septal, Thickness of about 4.5mm, about 14mm from the aortic valve, with cardiac activity, systolic open was “parachute ” like convex to the left ventricular outflow tract (arrow arrow), CDFI: systolic left ventricular outflow tract can be seen thin Bunch blood circulation