Lung Channel
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Your patient presents with sudden swelling of the face and four limbs with urinary retention. You believe this is a case of wind-water edema where the Lung cannot properly descend body fluids. What point could you use to regulate the water passages?
LU-5 is the He-Sea and Water point of the Lung channel; it regulates the water passages. In excess conditions, this can present as sudden swelling of the limbs and urinary retention. In deficiency conditions, this can present as enuresis and frequent urination.
Source: "The Lung Channel of Hand Taiyin." A Manual of Acupuncture, by Peter Deadman et al., Journal of Chinese Medicine Publications, 2007, p. 81 [Q136]