Results in control group, PSS could be seen in 144 segments, especially at basal and apical segment of ventricular septum, anterior wall.

结果正常组的生理性PSS多位于室间隔、前壁的基底、心尖段。

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Methods Standard apical two-chamber, four-chamber and long-axis views of 30 healthy volunteers were acquired and the wall motion amplitudes of each segment were measured.

方法30例健康志愿者。获取标准心尖两腔、长轴、四腔观，应用解剖M-型超声技术定量测量心肌各节段的运动幅度。

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Postprimary tuberculosis appears as upper lobe apical/posterior segment heterogenous consolidation with cavitation, with thick, nodular, and irregular walls.

原发后结核表现为肺上叶尖段、后段的，不均质的含空洞的实变影，呈厚的、结节样、不规则的壁；

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