Pre-operative assessment


If you have been told you need surgery at Kingston Hospital, you will need a pre-operative assessment to make sure it is safe to proceed. You cannot have your procedure without this, so it is essential to attend. 

How to find us

The pre-operative assessment clinic is in Roehampton Wing on level 3. 

You may be sent here straight after an appointment if it has been decided you need an operation. In that case, we try to carry out your assessment straight away.

But if you cannot wait, or need an assessment by a consultant anaesthetist, we will make an appointment for another time. 

If you are seen in a clinic outside Kingston Hospital you will be sent an appointment.

What happens at your appointment?

Your appointment may take up to one hour, so please allow enough time. 

First you will have to fill in a questionnaire with basic information about your health. Then we will take more details; all patients have their weight, height, blood pressure and heart rate measured. 

You may need some blood tests and an ECG. For some procedures, we will take swabs from your groin and mouth. Patients with lung disease may also have a lung function test.

One of our nurses will go through your medical history. Please bring a list of your current medications and any letters or results of recent relevant tests you have had elsewhere. 

We will give you all the information you need about fasting before surgery and what medicines you should stop using. It is vital that you follow this advice, otherwise your surgery may have to be cancelled. 

Sometimes we need to send you for further investigations. If your surgery is not urgent, we may ask your GP to organise these. 

How to contact us

If you have any questions or need to change your appointment, please call our reception on 020 8934 3668.

Further information

We have produced the following leaflets:

  • Instructions prior to surgery
  • Managing your diabetes before and after Day Surgery
  • Information for patients on pain management

More details on anaesthetics

The Royal College of Anaesthetists has created several leaflets that can give you extra information:


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