典型体征为心尖区闻及喀喇音和收缩期杂音。
The typical sign was audible click and systolic murmur in cardiac apex.
可在二尖瓣脱垂（通常伴有收缩中期喀喇音）或主动脉瓣缩缝时听到。
They may be heard in mitral valve prolapse (frequently accompanied by midsystolic clicks) or coarctation of the aorta.
可在二尖瓣脱垂（通常伴有收缩中期喀喇音）或主动脉瓣缩缝时听到。
They may be heard in mitral valve prolapse (frequently accompanied by midsystolic clicks) or coarctation of the aorta.
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