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经食管实时三维超声心动图是心脏彩超发展的重大飞跃,克服了经胸超声的很多缺点,在疾病诊断与治疗都发挥着巨大作用。现就其在二尖......
Two-dimensional(2-D) planimetry is limited by the technical demands, time, and observer variability required to locate t......
