目的探讨二尖瓣狭窄伴反流的患者用压差减半时间(pht)法测量二尖瓣口面积的应用价值。
Objective To explore the clinical application of pressure half-time (PHT) method on rheumatic mitral stenosis coexisting mitral regurgitation.
目的研究左房内径、二尖瓣口面积、二尖瓣返流对左房血栓形成的影响。
Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
二尖瓣关闭不全程度用频谱多普勒测定的有效返流口面积确定。
Mitral insufficient grades were determined by the effective regurgitant orifice area measured with spectral Doppler.
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