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目的探讨速度编码心脏MRI上降主动脉的全舒张期返流(HDR)对主动脉瓣返流(AR)严重程度分级的价值。材料与方法本研究得到伦理委员会的同意,并签署
Objective To investigate the value of velocity-coded cardiac elevation of aorta in total aortic regurgitation (HDR) on the severity of aortic regurgitation (AR). Materials and Methods This study was approved by ethics committee and signed