Fever can increase in excitability of the central nervous system, when an increase in body temperature to 40 ℃ ~41 ℃, can occur in patients with restless, nonsense, hallucinations, and even convulsions. This is particularly seen in children, it because of the nervous system in children is not yet mature, inhibitory process is weak, exciting process relative advantage, exciting easy to spread. So heat susceptible to seizures in children, we call it the \"febrile\".
Calcium deficiency neuromuscular excitability of children because of high fever is more prone to \"febrile\". Frail or, in some patients with high fever of infectious disease, severe failure, central nervous system is in a depressed state, shown indifference, without desire, sleepiness, or even coma and other symptoms.
Plant high fever phase in an increase in body temperature and duration of the nervous system, characterized by increased sympathetic nervous excitability, and body temperature drop period is manifested as symptoms of elevated vagus nerve excitability.
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