Triad of anaesthesia-
• Muscle relaxation
• Analgesia
• Narcosis
5 Components of anesthesia- (CAAAM)
• Loss of consciousness
• Loss of autonomous reflexes
• Amnesia
• Analgesia
• Muscles relaxation
We are using multiple drugs to provide these 5 components of anaesthesia.
Inhalational general anesthetics:
1. Gas – Nitrous oxide (N2O)
2. Volatile liquid – Isoflurane, Sevoflurane
Intravenous general anesthetics:
1. Fast acting –
• Propofol (It looks like milk)
• Thiopentone sodium
2. Slow acting –
• Benzodiazepine: Midazolam, Diazepam, Lorazepam
• Dissociative anesthetic: Ketamine
• Opioids: Fentanyl
General anesthesia classification-
