“Jueyin” refers to the pericardium. Ancient physicians considered that the pericardium and the lung were closely related to each other. This point, located between Feishu (BL13) and Xinshu (BL15), is mainly indicated in pericardium disorders. Hence the name Jueyinshu (Pericardium Point).
1.5 cun lateral to the lower border of the spinous process of the 4th thoracic vertebra.
Suffocating sensation in the chest.