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Wind pathogen, when manifesting in adults, is termed Stroke (Zhong Feng); in children, it is termed Convulsion (Jing Feng). Adults are less prone to fright, hence the term "Stroke" (penetration); children are easily frightened and susceptible to this condition, presenting with all associated symptoms. The exterior-type slow convulsion shares symptoms with Zang-organ penetration (Zang Zang), classified as Yin Syndrome, where symptoms reside internally. If practitioners can distinguish between Yin/Yang and Exterior/Interior to treat accordingly, errors may be avoided.

The state of restlessness due to dryness and heat characterizes acute convulsion. Slow convulsion is characterized by: body temperature often not elevated, eyes often half-open, slight twitching of hands and feet, mental fatigue and lassitude, a dull physical appearance, and occasional diarrhea. There is also Slow Spleen Wind, marked by blue-purple or blackish lines on the Tiger's Mouth (Hukou) area, faintly mixed, appearing yet not fully emerging; immobility of hands and feet; coldness throughout the body; eyes often closed; inability to cry. When symptoms reach this stage, recovery is impossible. Although the root of slow convulsion varies in depth, treatment may still be attempted in rare cases. However, if slow convulsion arises from the transformation of acute convulsion, or from vomiting and diarrhea, it becomes difficult to treat. If slow spleen wind develops from slow convulsion, or results from vomiting and diarrhea, it is incurable.

Generally, Fright belongs to the Heart, and Wind belongs to the Liver. When Heart Fire agitates, tremors and jumping occur uncontrollably; when Liver Qi erupts, spasms and clonic movements happen without self-control. These two meridians assist each other, making the pathological force vigorous. Excess Heart Fire leads to blazing fire and intensified wind, meaning wind emerges from fire; excess Liver leads to wild wind and flourishing fire, meaning fire blazes from wind. With wind and fire erupting together, the condition is formidable. This description specifically applies to acute convulsion. In contrast, slow convulsion and slow spleen wind involve both Spleen deficiency and Cold; although the progression seems slower, the pathology penetrates deeper. Since the disease course can lead to life or death, detailed differentiation reveals specific organ involvement, indicating that the pathology is not confined solely to the Heart and Liver meridians but extends to others.

Therefore, frequent upward deviation of the eyes indicates Fright entering the Liver; grinding teeth in dreams indicates Fright entering the Kidney; night crying persisting until late evening indicates Fright entering the Small Intestine; a sawing sound in the throat indicates Fright entering the Large Intestine; a green face with white lower lip indicates Fright entering the Gallbladder; panting and sucking motions indicate Fright entering the Spleen; frequent dry retching indicates Fright entering the Stomach; startled crying during sleep indicates pathology in the Sanjiao (Triple Burner). These are all survivable conditions. Conversely, black fingernails indicate Liver Extinction; passage of black blood indicates Heart Extinction; chronic nocturnal sweating indicates Stomach Extinction; sudden loss of voice indicates Lung Extinction; biting indicates Bone Extinction; eyes half-open and half-closed indicate Kidney Extinction; dry and black mouth and nose indicate Spleen Extinction. If convulsion presents with these Seven Extinctions, how can the child survive?