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是一种深而似被钳夹的疼痛，发生于胸骨后、心及胃区，甚至可传达至左臂。
A deep, viselike pain in the heart and stomach area commonly spreads to the left arm.
结论新型增强型胃窗声学造影剂能明显改善胃区超声图像质量，提高病变显示率，对胃部疾病诊断有重要意义。
Conclusion New OUCA can ameliorate ultrasonic imaging quality of stomach and improve displaying rate of pathology. It has the important meaning in stomach diagnosis.
结论超声诊断对贲门胃底区静脉曲张的显像具有较高的应用价值。
Conclusion Ultrasonography has important clinical value in the diagnosis of cardiac part and gastric fundus varicosity.
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