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1963年,Barlow 用心血管造影证实收缩期喀喇音及收缩晚期杂音伴有二尖瓣后叶脱垂。二尖瓣的正常功能需要六个解剖成分很好地互相协同作用;(1)瓣叶,(2)腱索,
In 1963, Barlow demonstrated cardiovascular systolic angiography and systolic murmur associated with mitral valve prolapse. The proper functioning of the mitral valve requires six anatomical components to work synergistically with each other; (1) the leaflets, (2) the tendons,