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Frequently Asked Questions
FAQ: Gastroscopy

How should I prepare for the procedure?

It is important that your stomach is empty for the test to be successful. Therefore, you must not have anything to eat or drink for 6 hours before your OGD.

Inform your Dr if you are on blood thinners (i.e. asprin, cardioprin, warfarin, Plavix, ticlid etc.)

If you are taking medications to reduce the amount of acid in your stomach (such as Omeprazole, Lansoprazole, Rabeprazole or Esomeprazole), you should stop taking these 2 weeks before your test.

If you are Diabetic on treatment with insulin or tablets, please let us know as we need to arrange an early appointment for you

Do these things ON THE DAY OF the procedure:

  • Do not take any meal within 6 hours of the procedure. Take your high blood pressure or heart medications with sips of water.
  • If you are Diabetic and on treatment with insulin or tablets, DO NOT take your insulin or diabetic tablets on the morning of your test. You may bring it with you to our centre to take after your procedure.
  • We would advise that you be accompanied and avoid driving to your appointment as you will be sedated for the procedure.

Is the procedure uncomfortable?

Before the test, the nurse will spray the back of your throat with a local anaesthetic. This will numb the back of your throat for the procedure. You should experience little, or no, discomfort. You may also choose to be sedated for the procedure.

What are the risks of the procedure?

As with any procedure, there are some known complications. However, these are very uncommon. The risks of gastroscopy include, sore throat and damage to teeth; pneumonia; excessive bleeding and perforation (tear in the stomach or duodenum). The chance of this happening is less than 1 in 10,000.

Are there alternatives?

Yes, we can also do a barium meal which is a radiological test in which you swallow some contrast and take a few x-rays looking for ulcers or tumours/ growths. However, this is not as accurate as a gastroscopy, and also cannot samples for biopsy, and tests for bacteria (namely Helicobacter Pylori- which is an organism responsible for causes gastritis, ulcers etc.)

Subsequent follow up

A report of the endoscopy will be provided to you. We will also prepare a medical report should you require one. We might also need to discuss the endoscopy findings and any further treatment as required. The test for Helicobacter Pylori might also yield results after 48 hours, and this will be discussed with you on follow-up.

Contact Information
38 Irrawaddy Rd,
#08-52 Mount Elizabeth Novena Specialist Centre
@ Mount Elizabeth Novena Hospital
Singapore 329563

Tel : +65 63347988
Fax : +65 63347966

Opening Hours:

Mondays - Fridays : 8:30 am - 5.30 pm
Saturdays : 8.30 am - 12.30 pm
Sundays & Public Holidays : Closed
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