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1例69岁女性患者主诉前晕厥症状和心悸4个月。心脏检查显示随体位而改变的舒张中期杂音。经胸壁和经食管超声心动图示左室功能正常、二尖瓣轻度反流以及左、右心房的大包块。在舒张期该包块脱垂穿过
A 69-year-old woman complained of pre-syncope symptoms and palpitations for 4 months. Cardiac examination shows mid-diastolic murmurs that vary with position. Trans-thoracic and transesophageal echocardiography showed normal left ventricular function, mild mitral regurgitation, and large masses of the left and right atria. During diastole, the mass prolapsed