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主-肺动脉间隔缺损合并右室双出口超声表现1例

CHINESE JOURNAL OF ULTRASONOGRAPHY(2009)

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Abstract
患者男,7岁.因反复感冒,近1个月加重,偶有呼吸困难人院.查体:心脏未闻及明显病理性杂音.超声心动图检查:各房室内径正常,非标准肺动脉长轴切面及胸骨上窝主动脉长轴切面示升主动脉与肺动脉间隔中断,长约16 mm,断端下缘位于主动脉辦上23 mm,彩色多普勒血流显像示胸骨上窝主动脉长轴切面见缺损处主动脉向肺动脉分流的蓝色血流信号,分流压差3 mm Hg(1 mm Hg=0.133 kPa).患者肱动脉压116 mm Hg,根据分流压差估测肺动脉收缩压约113mm Hg.室间隔膜周部可见16 mm的回声失落,彩色多普勒血流显像示室水平可见以左向右为主的双向分流信号.
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