Level of sedation | 1. Minimal sedation(anxiolysis) | 2. Moderate sedation(conscious sedation) | 3. Deep sedation | 4. General anaesthesia |
---|---|---|---|---|
Responsiveness | Normal response to | Purposeful response to | Purposeful response after | Unrousable even with |
verbal stimulation | verbal or tactile | repeated or | painful stimulus | |
stimulation | painful stimulation | |||
Airway | Unaffected | No intervention required | Intervention may be required | Intervention often required |
Spontaneous ventilation | Unaffected | Adequate | May be inadequate | Frequently inadequate |
Cardiovascular function | Unaffected | Usually maintained | Usually maintained | May be impaired |