AskDefine | Define chills

User Contributed Dictionary

English

Noun

chills
  1. Plural of chill
  2. A feeling of being cold, a symptom of many conditions.

Translations

medical symptom

Verb

chills
  1. third-person singular of chill

Extensive Definition

Rigor is a shaking occurring during a high fever. It occurs because cytokines and prostaglandins are released as part of an immune response and increase the set point for body temperature in the hypothalamus.
The increased set point causes the body temperature to rise (pyrexia), but also makes the patient feel cold until the new set point is reached. Rigor occurs because the patient is effectively shivering in a physiological attempt to increase body temperature to the new set point.

See also

chills in German: Schüttelfrost
chills in Japanese: 悪寒
chills in Russian: Озноб
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