Whether the pain is related to the mitral valve prolapse or whether it is an epiphenomenon is controversial because it is common in the absence of evident prolapse.
Whether the pain is related to the mitral valve prolapse or whether it is an epiphenomenon is controversial because it is common in the absence of evident prolapse.
不过，疼痛是否与二尖瓣脱垂相关，抑或只是一种偶发现象，对此人们尚有争议，因为这种疼痛即便是在无明显脱垂时也很常见。