In modern medical practice,<unk>  (AmE:<unk>  is a state of total unconsciousness resulting from<unk>  anaesthetic drugs. A variety of drugs are given to the patient that have different effects with the overall aim of ensuring unconsciousness, amnesia and analgesia. The anaesthetist (AmE: anesthesiologist) selects the optimal technique for any given patient and procedure.<unk>  is a complex procedure involving:
Preanaesthetic assessment
Administration of<unk>  anaesthetic drugs
Cardiorespiratory monitoring
Analgesia
Airway management
Fluid management
Postoperative pain relief
General anaesthesia
Regional anesthesia
Local anesthesia
General anaesthetic
Dental anesthesia
Spinal analgesia
Anesthesia
Local anesthetic