A rare mechanical prosthetic valve dysfunction

作者：Sun Yan^*; Zhang Hui Ming; Wang Hao

来源：Medical Ultrasonography, 2017, 19(1): 122-123.

DOI：10.11152/mu-983

<jats:p>A rare case of mechanical prosthetic valve dysfunction in mitral position. The mechanical valve opened once every two cardiac cycles. We also found the opening time of the mechanical valve in aortic positions was long and short alternately because of the Left ventricular volume changed every cardiac cycles.</jats:p>

• 出版日期2017
• 单位中国医学科学院北京协和医院; 北京协和医学院; 中国医学科学院阜外医院