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MENTAL MODEL · M1088

Void/Xu Li

Void/Xu Li
TechnicalHigh supportTraditional Chinese Medicine
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Located at the apex beat below the left breast, it is the 'great collateral of the stomach'. In traditional Chinese medicine, the pulsation here is palpated to assess the vigor of pectoral qi (zong qi) and prognosis.

SCAFFOLDING EFFECT

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Monitoring the life pacemaker. Without a stethoscope, ancient physicians palpated 'Xu Li'. If the pulsation was too strong ('clothes about to fall off') or too weak ('hardly perceptible'), it indicated a critical condition of pectoral qi exhaustion.

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A diagnostic area in traditional Chinese medicine, located at the apex beat below the left breast (the great collateral of the stomach), used to assess the vigor of pectoral qi and the qi of the heart and stomach.

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Source support: Explicit

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