Chills or 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.
"Rigor" is sometimes considered a synonym for "chills".
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 patien...
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Symptom of:
- Malaria ,
- Yellow fever ,
- Scrofula ,
- Influenza ,
- Tonsillitis ,
- Endocarditis ,
- Bacterial arthritis ,
- Tuberculosis ,
- Diphtheria ,
- Meningitis
Also known as:
- Chills,
- Rigor - Temperature-associated observation,
- Chill shaking