Singapore General Hospital will NEVER ask you to transfer money over a call. If in doubt, call the 24/7 ScamShield helpline at 1799, or visit the ScamShield website at www.scamshield.gov.sg.

Help Us Improve Your Experience:

We’d love to hear from you! Rate the SGH website and share your feedback so we can enhance your online experience and serve you better. Click here to rate us

Preparing for Your Ultrasound

Ultrasound requiring bladder preparation

Synonym(s):

Things to note on day of appointment:

When to arrive

Please arrive 20 minutes before your appointment.

Clothing

Please wear loose, comfortable clothes. You will have the option to change into a gown depending on the part of your body to be scanned.

Valuables

We suggest you leave your valuables at home so you don’t have to worry about them. You can keep your things with you during your exam.

Medical leave

Please note that no medical leave will be issued on the day of exam. An excuse chit can be given upon request.

Ultrasound Preparation Instructions

You are required to drink a total of 600 ml of water at the following intervals:

  • 1st drink (200 ml): 1 hour before the appointment time
  • 2nd drink (200 ml): 45 minutes before the appointment time
  • 3rd drink (200 ml): 30 minutes before the appointment time
  • If you have a urinary catheter, please ensure that the catheter is clamped.
  • If you are on fluid restriction, you do not need to drink water.
  • Please do not go to the toilet or empty your bladder before the scan. We need to perform the scan when your bladder is full.
  • No fasting is required.

*No preparation is required for children less than 6 years of age.