What Is The Procedure For Camera Down The Throat
Gastroscopy
A gastroscopy is a test that looks at the within of your food pipe (oesophagus), stomach and the first part of your small intestine (small bowel).
A md or specialist nurse (endoscopist) does the examination. They apply a long flexible tube which has a tiny photographic camera and calorie-free at the end. This tube is chosen a gastroscope or endoscope.
You may as well hear this examination called an oesophago gastric duodenoscopy (OGD).
Why you might have a gastroscopy
You might have a gastroscopy to notice out the crusade of symptoms such as:
- abnormal bleeding
- indigestion
- low levels of iron (fe deficiency anaemia)
- difficulty swallowing
If you have Barrett'south oesophagus you'll accept regular gastroscopies to check for whatever changes to cells in the lining of your food pipe.
During the examination your endoscopist takes samples (biopsies) of any abnormal looking areas. They transport the samples to the laboratory to be looked at nether a microscope.
Preparing for your test
You might have blood tests beforehand to cheque your blood levels and how well your blood clots.
Tell your dr. if you lot're taking medicines to thin your blood such as warfarin.
Your doctor will tell you lot if you need to stop taking these or any other medicines for a while earlier your gastroscopy.
You lot tin't eat for 6 hours before the exam, only you might exist able to drink sips of water up to two hours beforehand. Your doctor or nurse gives you lot written instructions most this before your appointment.
Talk to your medico if not eating could be a trouble for you. For example, if you have diabetes.
What happens?
Nigh people have a gastroscopy as an outpatient, which means you lot go home the same 24-hour interval. The test takes up to fifteen minutes. But await to be in the hospital for several hours.
Start you meet your nurse who asks you virtually your medical history and any allergies yous might have. They may bank check your blood pressure level and heart charge per unit.
Your nurse or endoscopist explains the procedure and asks y'all to sign a consent form. This is a good time to enquire any questions you might have.
Some endoscopy units may enquire y'all to modify into a infirmary gown, just yous tin can usually have the test in your own clothes.
Usually yous're awake when y'all have the test, but y'all tin choose to have medicine to relax you. These make yous drowsy (sedation).
If you take whatever false teeth or article of clothing spectacles you demand to remove them for the test. Your nurse puts a plastic guard in your mouth to protect your teeth from the gastroscope.
This blitheness shows how you have an endoscopy, it lasts for one minute xix seconds.
Transcript
An endoscopy is a test to expect at your food pipe, tummy and the first part of your bowel.
You lot may have this examination if y'all have abnormal bleeding, lasting indigestion or difficulty in swallowing.
On the mean solar day of the test you should not consume or drink for vi hours beforehand.
Just earlier the examination your doctor will spray the back of your throat to numb it. Or give yous a sedative which volition brand you forget having the test.
A nurse puts a rima oris baby-sit into your mouth. Then they put a flexible tube chosen an endoscope into your mouth and downwardly your throat.
This is uncomfortable and may make y'all gag. Concentrating on wearisome deep breathing helps.
On the end of the tube is a light and a photographic camera, this sends pictures to a monitor. It also has a tool that tin can accept samples of tissue.
Looking at the monitor they examine your food pipe then your stomach.
If they come across any abnormal areas they will take a tissue sample – called a biopsy.
You won't experience any pain and you will be able to breathe unremarkably throughout.
Afterwards you need to residual for a while. Your throat maybe sore and you lot may feel swollen.
Having the test awake
Your endoscopist sprays the back of your throat with local anaesthetic to numb it and make it easier to swallow the tube. This may brand you cough, your optics may water and information technology may taste bitter.
You lot then lie on your left side.
It takes a few minutes for your throat to go numb. Your endoscopist passes the gastroscope into your rima oris and down your pharynx to the oesophagus. The tube is slightly bigger than a pen and volition be uncomfortable just shouldn't be painful.
They ask you to eat as the tube goes down. They can run across the images from the gastroscope on a television screen. They may put a small-scale amount of air into the tube to assist them run across your oesophagus, stomach and duodenum. This might make yous experience like burping.
Your endoscopist takes samples (biopsies) through the gastroscope of any aberrant areas. This shouldn't exist painful.
At the stop of the test, your endoscopist gently removes the gastroscope.
Having the test while drowsy
You prevarication down on the couch.
Your nurse puts a small-scale plastic tube (a cannula) into a vein in your arm. They then inject the allaying into the cannula. It takes a few minutes for you to get more relaxed, this makes you drowsy. You are withal able to follow instructions from your endoscopist and nurse.
They give you oxygen through a small plastic tube with prongs that sit just inside your nostrils. They too put a clip on your finger to check your oxygen levels and heart rate.
Your endoscopist and then passes the gastroscope down your throat.
After your test
Your nurse or endoscopist will talk to you nearly how the exam went, if they took any biopsies and when to look the results.
You might have some bloating and discomfort lasting a few hours afterwards the gastroscopy.
If you haven't had sedation, y'all can unremarkably go home shortly later having the exam. You lot won't be able to eat or beverage until the local anaesthetic spray has worn off. This takes about an hour.
If you lot had sedation, you stay in the endoscopy unit for an hour or ii to recover. You may not remember much (if anything) virtually the test. You'll demand a friend or relative to take you home and stay overnight.
For 24 hours after having sedation, you shouldn't:
- drive
- drink alcohol
- operate heavy machinery
- sign any of import documents
Possible risks
Gastroscopy is a very safe process but your nurse will tell you who to contact if yous have whatever problems after the examination. Your doctor will make sure the benefits of having a gastroscopy outweigh the possible risks.
Some of the risks include:
Bleeding
If y'all take a biopsy you may have a small corporeality of bleeding. This ordinarily stops on its own. If it doesn't you might need to become into hospital to cease the bleeding.
Sore throat
This is mutual after having an endoscopy and lasts a few days. Contact the infirmary if you accept severe hurting in your throat, breast or tummy (abdomen).
Infection
There is a very small risk that after a biopsy the wound tin become infected. If you take a temperature, feel hot and common cold or shivery, or experience generally unwell, you should contact your GP.
Damage to teeth
At that place'southward a small-scale risk the gastroscope tin damage your teeth during the exam. The rima oris guard helps forestall this from happening.
Chest infection
In that location's a small hazard of breathing in spit (secretions) that you would normally swallow, due to your pharynx being numb or from the sedation making you sleepy. Your nurse protects your airway by suctioning abroad whatever secretions during the procedure.
Reaction to the sedation
Occasionally sedation can crusade issues with your breathing, centre rate and blood pressure level. The risks are higher in older people and those with lung or center bug. Your nurse closely watches yous for any issues during the test, and so they can treat it rapidly.
Tear or hole (perforation)
There's a very small take a chance of the gastroscope causing a tear in the lining of your oesophagus, breadbasket or duodenum. You might need an operation to repair this.
Getting your results
You should get your results within two weeks. The results are sent to you and your GP or you may get them at a follow up appointment.
Waiting for test results can be a very worrying time. Y'all might have contact details for a specialist nurse who you tin can contact for information if you need to. It can help to talk to a close friend or relative about how you feel.
You tin can also contact the Cancer Research UK nurses on freephone 0808 800 4040 for data and support. The lines are open from 9am to 5pm, Monday to Friday.
Contact the doctor who arranged the examination if you lot haven't heard anything later on a couple of weeks.
More information
We take more information on tests, treatment and support if you take been diagnosed with cancer.
Source: https://www.cancerresearchuk.org/about-cancer/cancer-in-general/tests/gastroscopy
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