Xi-cleft point.

bubble_chart Etymology

"Xi" (郄), cleft or fissure; "men" (門), gate or door. The point is the xi-cleft point of hand jueyin pericardium meridian, serving as a gateway for spirit and qi, hence its name.

bubble_chart Location

Ximen (PC4) acupoint
(adapted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "5 cun from wrist",
• Xunjing Kaoxue Bian added "Between two tendons".

bubble_chart Anatomy

• Muscles: radial side, flexor carpi radialis muscle; ulnar side, palmaris longus tendon. Superficial layer, flexor digitorum superficialis muscle; deeper layer, flexor digitorum profundus muscle.
• Nerve: medial cutaneous nerve of forearm; deeper layer, median nerve; deepest layer includes anterior interosseous nerve of forearm.
• Vessels: median vein and artery of forearm; deeper layer, anterior interosseous artery and vein.

bubble_chart Manipulation

Perpendicular insertion 0.5~1 cun. Take care to avoid damaging the main trunk of median nerve (especially during acupoint injection). Moxibustion with moxa cone 5~7 rounds, moxibustion with moxa stick for 10~15 minutes.

bubble_chart Efficacy

Tranquilize mind, calm spirit, discharge heat.

• Classical: heart pain, palpitation, chest pain, expectoration of blood, vomiting, hematemesis, manic and depressive psychosis, fear and fright, aversion to people, insufficient spirit qi, chronic malaria not resolving, heat in five centers (palms, soles, and chest), spasmodic pain in elbow and arm, boil and sore, chest gangrene, chronic hemorrhoids, epistaxis.
• Modern: rheumatic heart disease, myocarditis, coronary artery disease, angina pectoris, tachycardia, pleurisy, diaphragmatic spasm.

bubble_chart Combinations

• Hemoptysis: Quchi (LI11), Ximen (PC4), Sanyangluo (TE8).