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PC-9 Central Hub

中冲 〔中衝〕 zhōng chōng

Channel: PC, hand reverting yīn (jué yīn) pericardium channel

Modern location: An acupoint located a little more than 1 fēn below the base of the nail on the radial side of the middle finger.

Classical location: At the tip of the middle finger, in the depression the width of a garlic chive leaf away from the nail. From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: The arterial and venous network formed by the palmar digital proprial artery and vein. The palmar digital proprial nerve of the median nerve.

Action: Clears the heart and eliminates heat; opens the orifices and resuscitates; returns yáng and stems counterflow.

Modern indications: Heart pain; clouding reversal (loss of consciousness); painful stiff swollen tongue preventing speech; febrile disease; summerheat stroke; night crying in children.

Classical indications: Elbow pain; oppression in the chest; pain in the root of the tongue.

Needle stimulus: Needling: 0.1 cùn upward oblique insertion; or bleed. Moxa: 1 cone; pole 2 min.

Needle sensation: Localized pain.

Point groups: Well (jǐng) (wood) point.

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