These are some general pre-appointment reminders for common outpatient procedures at NUH. If you require any clarification, please contact the relevant clinic(s) (click here for contact details).

Fasting

Some procedures require you to be in a fasted state. Please do not eat or drink before your appointment time if it involves the following tests:

• Fibroscan (required fasting time: 3 hours)
• Lipid, glucose and OGTT (required fasting time: 10 hours)
• Gastrin (required fasting time: 12 hours)

Note: If your test(s) is on the same day as your appointment, please arrive 2 hours before your scheduled appointment time or as otherwise advised by your doctor/clinic.

Bowel Cleansing

If you are scheduled to undergo a colonoscopy or gastroscopy, you will need to complete a bowel cleanse.

Three days before your scheduled procedure, do avoid:

• Fruit, fruit juices and vegetables
• Red meat (e.g. duck, beef or mutton)
• Grain (e.g. nuts or beans)
• Cereals (e.g. oats, wheat or barley)
• Milk or milk products
• Jelly or agar-agar

One day before your scheduled procedure, bowel preparation will need to be done: 
Steps:

• Mix one packet of powdered medication with 1 litre of water and stir well
• Drink 250ml of the mixture every 15 minutes
• Repeat until all packets are consumed

For bowel preparation step-by-step video guide, please click here.

Immunosuppressant Drug Level Testing

If you are scheduled for an immunosuppressant medication level testing, do not take the following medication before the blood test:

• Tacrolimus
• Everolimus
• Cyclosporine
• Mycophenolic Acid
• Sirolimus

Please call your clinic (click here for contact details) to verify if you are not clear about the immunosuppressant drug level testing.

Pre-Operation Investigations

If you are scheduled for pre-surgery appointment at Anaesthetic Outpatient Consultation Clinic (AOCC), please watch the following videos before your appointment:

• General anaesthesia
• Regional anaesthesia

Scans

All previously taken images/scans should be prepared and brought along for your first visit. These include films or CD copies of:

• Mammograms
• Ultrasound scans
• CT scans
• MRI scans
• PET CT

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Personal Mobility Aids (PMAs), such as motorised wheelchairs, are not Personal Mobility Devices (PMDs). PMDs, including motorised scooters, hoverboards etc., may be carried or towed but cannot be used within the hospital's premises as a safety precaution.

If you are a patient visiting any of our outpatient facilities:

• PMAs are allowed. 
  
• Please show consideration for others when you ride your PMA around NUH.
  
• Charging of PMAs is strictly not allowed in NUH as a safety precaution. Please use the charging point located next to the Kent Ridge MRT control station. Please approach the SMRT sta¬ff if you need assistance.

Thank you for making NUH a safe environment for our patients and staff.