èr / jiān / bàn / guān / bì / bù / quán / kě / néng / dǎo / zhì / xīn / zàng / gōng / xuè / shòu / dào / yǐng / xiǎng二尖瓣关闭不全可能导致心脏供血受到影响。Mitral valve insufficiency may affect the heart's blood supply.