The syndromes of thorax arthralgia developes like a tree.Deficiency of Heart-Yang,deficiency?17of Heart-Yin,phlegm blood stasis are the trucks of the development and often exist in the course.

• 具体表现为，胸痹的证候变化为根式发展，心阳虚、痰瘀等一经形成，往往贯穿始终，是疾病发展的主干；