Objective To investigate the mechanism of left atrial spontaneous echo contrast(SEC)in patients with nonvalvular atrial fibrillation(NVAF)and valvular atrial fibrillation(VAF).
目的研究瓣膜性心房颤动(房颤)和非瓣膜性房颤患者左心房自发声学显影(SEC)的形成机制。
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Objective:The purpose of this study was to observe the relationship between left atrial hemorheological property and spontaneous echo contrast(SEC) in rheumatic mitral stenosis.