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Gastroscopy – safe examination of the esophagus, stomach and duodenum

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During gastroscopy The esophagus, stomach and duodenum are examined. At Medicus, gastroscopy is performed by experienced gastroenterologists who ensure minimal discomfort and high-quality diagnostics. We offer gastroscopy at our clinics in Oslo, Trondheim and Bergen.

What is gastroscopy?

Gastroscopy is an examination in which a thin, flexible tube with a camera (gastroscope) is passed through the mouth and into the digestive tract. The examination is used to: 

  • Identify inflammation or ulcers in the esophagus, stomach, or duodenum. 
  • Investigate causes of heartburn, nausea, or vomiting. 
  • Find bleeding or polyps. 
  • Take tissue samples (biopsies) if further analysis is needed. 

Who should have a gastroscopy?

Gastroscopy is recommended if you experience: 

  • Nausea or vomiting without a known cause. 
  • Blood in vomit or black stools (signs of bleeding). 
  • Problems swallowing food or drinks. 
  • If underlying disease is suspected on blood tests 

How is a gastroscopy performed?

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1. Before the examination

You will receive detailed preparation instructions, such as fasting for a few hours before the examination and in some cases, stopping medications before the examination, such as blood thinners. 

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2. During the examination

  • The procedure itself usually takes 3-5 minutes. 
  • Around 90% of gastroscopies performed in 2024 were performed with local anesthesia. If you need medication into your veins, you will of course receive this. 
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3. After the examination

  • The doctor will immediately explain the findings and make a further plan.  
  • Any further follow-up or treatment will be agreed upon based on the results. 

Why choose gastroscopy at Medicus?

At Medicus, you will meet a team of experienced gastroenterologists who take you and your complaints seriously. You will be given an appointment quickly and without a referral. 

Experienced gastroenterologists
At our clinic, all gastroscopies are performed by gastroenterologists with extensive experience and expertise. They follow you through the entire process – from a thorough examination to treatment for your symptoms.
Modern technology
At Medicus, we are committed to staying at the forefront of technology and equipment. We therefore use state-of-the-art equipment and technology such as scope guidance and artificial intelligence (AI) for polyp detection.
Focus on quality and patient comfort
Our gastroenterologists are committed to performing examinations in the most gentle way possible for you as a patient. We participate in Gastronet, a national quality registry for endoscopy, and can show very good results – including a low level of perceived pain and need for painkillers during examinations.
Short waiting time
With us you can get an appointment quickly and without waiting time with our specialists. You don't need a referral. You can easily book an appointment yourself via our online booking.
Comprehensive and close follow-up
With us, you will receive comprehensive and interdisciplinary follow-up by our gastroenterologists in consultation with a clinical nutritionist if necessary. Our specialists will follow you closely all the way from assessment to further treatment.
Great reception from both doctor and nurse, and I felt really well taken care of. The examination was very quick and feedback immediately afterwards. No need to worry. Thank you very much for the doctor's appointment.

Legelisten.no user

Good experience, no waiting time, efficient and clear communication. Well explained how the examination was to be carried out.

Legelisten.no user

Safe and knowledgeable. Calm, explained well. Was treated with respect. Pleasant too. No reason to be so scared. Doctor and nurse were top notch

Legelisten.no user

Get an appointment quickly and without a referral

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You can book an appointment online when it suits you.

No waiting time

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With us you can get an appointment quickly, without waiting.

Pricing

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See our prices here. 

We offer the option of partial payment. Please contact us if you would like to pay for the survey in part.