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Anaesthesia
Real-life story
FAQ
The Journey
The equipment
Common post-operative problems
Obstetric anaesthesia
The team
The general anaesthetic
Conscious sedation
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Local anaesthesia: how it worksSpinal anaesthetic: how it works
Nerve block: How it works
General anaesthesia: how it works
The general anaesthetic
The general anaesthetic
Modern anaesthetic drugs have made the induction of anaesthesia a simple, stress-free and safe experience.
Maintaining anaesthesia
Your anaesthetist’s first task will be to change the anaesthetic gases coming from the machine through an anaesthetic circuit of tubes from pure oxygen to a mixture of oxygen, nitrous oxide (“laughing gas”) and one of the inhalational agents.
Analgesia
Surgery is painful, and merely being asleep does not mean that you body will not unconsciously feel and react to the surgeon’s activities.
Maintaining anaesthesia
Throughout the operation your anaesthesia will see that the level of anaesthesia is kept just as deep as is necessary, that you are not feeling pain and that you are sufficiently relaxed for the surgeon to perform his task.
The recovery room
This area of the theatre complex is for you to fully emerge from the anaesthetic before being transferred back to your bed in the ward.
Your dignity
On the operating table a patient may feel very vulnerable and exposed. You should know, however, that doctors and nurses are very respectful of your dignity.
Your airway and breathing
The anaesthetist will ensure that the airway is kept open and that your breathing is normal.
Fluid therapy
During anaesthesia there is a shift of fluids within the body and also a loss of body fluids, including bleeding from the operation site which the anaesthetist must monitor.
Reversal of anaesthesia
When the surgeon has completed the operation your anaesthetist will withdraw the anaesthetic gases, will reverse any muscle relaxation and will ensure that you have sufficient analgesia so that you do not wake up in pain.
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