《黄帝内经·素问·阴阳别论》
少阴和少阳发病，腹部作胀，心下满闷，时欲叹气。
二阴一阳发病，善胀、心满善气。
If Shaoyin and Shaoyang are attacked by disease, it causes abdominal distension, a feeling of fullness and oppression in the precordium, and desire to sigh now and then.