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BL-4 Deviating Turn

曲差 〔曲差〕 qū chā

Alternate names: 鼻冲 bí chōng, Nose Flush

Channel: BL, foot greater yáng (tài yáng) bladder channel

Modern location: An acupoint located on the superior aspect of the head, 0.5 cùn within the anterior hairline and 1.5 cùn lateral to the midline.

Classical location: Above Eyebrow Ascension (BL-3) within the hairline, one cùn and five fēn each side of Spirit Court (GV-24). From The Golden Mirror of Medicine (医宗金鑑 yī zōng jīn jiàn)

Local anatomy: The frontal artery and vein. The lateral branch of the frontal nerve.

Action: Discharges heat and opens the orifices; clears the head and brightens the eyes.

Modern indications: Headache; unclear vision; eye pain; nasal congestion; nosebleed.

Classical indications: Headache; generalized heat effusion; vexation and fullness in the heart; absence of sweating; blurred vision; nose sores; sniveling and nosebleed.

Needle stimulus: Needling: 0.3‒0.5 cùn upward transverse insertion. Moxa: 3‒5 cones; pole 5‒15 min.

Point name meaning:

This point name is a reference to the point’s location askew from the straight alignment of points on the bladder channel, that is, where the channel deviates from the course it is expected to take.

BL-4 is alternately named Nose Flush in reference to its ability to treat nasal congestion and other disorders of the nose. See acupoint names: origins, meanings, and translations.

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