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  • Print publication year: 2020
  • Online publication date: December 2019

11 - Immobility

from Section 2 - Targeting Effects

Summary

Surgical anaesthesia usually requires hypnosis, antinociception (ensuring blood pressure and heart rate control) and immobility with varying degrees of muscle relaxation. However, the relative contribution of these three components to the state of anaesthesia may vary between different anaesthesias and surgical procedures. While volatile anaesthetics may be used to produce anaesthesia in and by themselves, most often anaesthesia is produced by a combination of drugs. Anaesthesia produced by the concomitant use of hypnotics, analgesics and neuromuscular blocking drugs is called ‘balanced anaesthesia’.