True Headache / Zhen Tou Tong
Updated 2026-07-31
INTRODUCTION
English translation pending.
CORE DEFINITION
A term from classical Chinese medicine for the gravest form of headache, in which the pain is severe and unremitting, penetrates to the brain, and is accompanied by cold limbs reaching the joints and cyanotic nails. Its proposition is that whereas ordinary headache from wind-cold or migraine is a surface disorder, true headache means the pathogen has entered the brain, and the accompanying circulatory collapse marks a case that can kill within a day. The qualification is that the diagnosis rests on the combination of deep pain with peripheral collapse, not on the severity of pain alone.
SCAFFOLDING EFFECT
Reduce cognitive load
- Stroke warning: separate deep, unremitting pain with cold limbs from ordinary headache. - Collapse signal: read cold hands, feet and nails as the circulation failing. - Time-critical triage: treat a case that can kill within a day as an emergency, not a routine visit.
Anchor fast decisions
Pain that reaches the brain indicates the pathogen has passed every barrier, while cold limbs with cyanotic nails show that peripheral circulation is shutting down. Because the two signs arise from the same collapse, their combination identifies a case in which the window for intervention is measured in hours, which is why the classical texts describe it as dying by evening.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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- baike.baidu.comhttps://baike.baidu.com/item/%E7%9C%9F%E5%A4%B4%E7%97%9Bverified
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