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PC-7 Great Mound
大陵 〔大陵〕dà líng
Alternate names: 鬼心 guǐ xīn, Ghost Heart; 手心主 shǒu xīn zhǔ, Hand Heart Governor; 主心 zhǔ xīn, Heart Governor
Channel: PC, Hand Reverting Yīn (jué yīn) Pericardium Channel
Modern location: An acupoint located on the palmar aspect of the forearm, at the wrist crease, between the tendons of the palmaris longus and the flexor carpi radialis muscles.
Classic location: In the depression between the two sinews behind the hand. (Zhēn Jiǔ Jiǎ Yǐ Jīng)
Local anatomy: The palmar arterial and venous network of the wrist. At the deeper level, the median nerve.
Action: Clears the heart and quiets the spirit; harmonizes the stomach and loosens the chest; clears provisioning and cools the blood.
Modern indications: Heart pain; heart palpitation; stomach pain; retching and vomiting; mania and withdrawal; chest and rib-side pain;
Classic indications:
Needle stimulus: Needling: 0.3‒0.5 cùn perpendicular insertion. Moxa: 1‒3 cones; pole 5‒15 min.
Needle sensation: Localized numbness or swelling. Sometimes numbness may spread to the fingers.
Point groups: Stream (shù) (earth) and source point (yuán xué); one of the thirteen ghost points.
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