患者女,5 8岁。既往无异常。近日胸痛,胸闷伴下肢水肿来院就诊。查体:一般情况可,慢性病容,血压1 4 / 8k Pa,心率1 0 6次/ min,心肺听诊(- )。经X-线胸片检查拟诊纵隔肿瘤。超声检查:使用SSA 2 70 A彩超诊断仪,探头频率3.75 MHz。患者仰卧位,两手置于头侧,探头置于两侧胸骨旁进 Female patient, 58 years old. No abnormalities in the past. Recently, chest pain, chest tightness and lower extremity edema to the hospital. Physical examination: the general situation can be, chronic disease, blood pressure 14k / 8k Pa, heart rate 106 times / min, cardiopulmonary auscultation (-). Diagnosed by X-ray chest mediastinal tumor. Sonography: SSA 2 70 A color Doppler was used with a probe frequency of 3.75 MHz. Patient supine position, his hands on the head side, the probe placed on both sides of the parasternal breast