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散似杨花散漫飞，去来无定至难齐。
—— 濒湖脉学 · 散脉 · 体状诗
Scattered like willow catkins drifting in the wind, its comings and goings without order, its beats impossible to count evenly.
浮散无根，至数不齐。轻按有散漫之象，稍重按则无。脉形涣散不聚。
Floating and diffuse, without root, with uneven beat count. Light pressure reveals a dispersed, drifting quality; slightly firmer pressure and it is gone. The pulse form fails to gather.
为元气离散，脏腑精气衰竭之危候。多见于心气将绝、脏腑将败之重证。
A critical sign indicating original qi dispersing and the essence of the zang-fu in collapse. Most often seen when heart qi is nearing exhaustion and the organs are failing.
@misc{bencaodian-san-mai,
author = {{Bencaodian Editorial}},
title = {Sàn mài 散脉 (Scattered)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/pulses/san-mai},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}