Gastroscopy
An upper gastrointestinal endoscopy used to examine the oesophagus, stomach and duodenum.
An upper gastrointestinal endoscopy used to examine the oesophagus, stomach and duodenum.
Why is this test requested?
An upper gastrointestinal endoscopy used to examine the oesophagus, stomach and duodenum. The value of the test is not simply in performing it, but in answering the right clinical question. Results are interpreted alongside symptoms, previous tests and the treatment decision that follows.
Symptoms or prior tests suggesting this investigation may clarify the diagnosis
A need to stage, characterise or exclude a clinically important condition
A result that may change management
A diagnostic test should answer a defined clinical question and ideally change what happens next. It should not be ordered simply because it is available.
How should you prepare?
Preparation depends on the test, your health and medicines. Follow the written instructions from your treating unit.
Previous imaging, endoscopy and pathology often improve interpretation and prevent unnecessary repeat testing.
What happens during the test?
The exact technique and monitoring depend on the investigation. Your team should explain what happens before the test begins.
How are results interpreted?
Ask when the formal report will be available, whether pathology is pending, and what result would trigger another test or treatment.
Follow-up depends on the result and the underlying condition. A normal test may reduce the need for invasive assessment, while an abnormal result may lead to targeted endoscopy, imaging, biopsy or treatment.
Risks and limitations
Frequently asked questions
Why is this test requested?+
To clarify symptoms, confirm or exclude a condition, and help choose the next appropriate step.
Will I get the result the same day?+
Some findings can be discussed promptly; formal reporting and pathology can take longer.
Is preparation the same for everyone?+
No. Preparation depends on the test, medicines and other health conditions.
Does one test always give the final diagnosis?+
Not always. Most decisions combine the test result with clinical context and other evidence.