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The Daily Insight

What is an EGD used to diagnose

Author

Olivia Owen

Published Apr 28, 2026

What Is an Upper GI Endoscopy? Also known as an EGD (esophagogastroduodenoscopy), this test uses an endoscope to take pictures of the esophagus, stomach, and duodenum (the top portion of the small intestine) to diagnose problems in the upper gastrointestinal (GI) tract.

What can be diagnosed with EGD?

  • Esophagitis.
  • Gastritis.
  • Duodenitis.
  • Hiatal hernia.
  • Ulcers.
  • Gastroesophageal reflux disease (GERD)
  • Narrowing of esophagus due to abnormal tissue growth (esophageal rings)
  • Swollen veins in the esophagus (esophageal varices)

What is the difference between EGD and endoscopy?

An EGD is a procedure in which a thin scope with a light and camera at its tip is used to look inside the upper digestive tract — the esophagus, stomach, and first part of the small intestine, called the duodenum. It’s also called an upper endoscopy, or an esophagogastroduodenoscopy.

When is an EGD indicated?

The many accepted indications for EGD include evaluation of dysphagia, GI bleeding, peptic ulcer disease, medically refractory GERD, esophageal strictures, celiac disease, and unexplained diarrhea.

Is EGD painful?

You should not feel any discomfort during your EGD, and you shouldn’t be able to feel any pain or notice incisions from techniques such as biopsy or tumor resection. A biopsy may be taken for examination.

Are you asleep for an endoscopy?

All endoscopic procedures involve some degree of sedation, which relaxes you and subdues your gag reflex. Being sedated during the procedure will put you into a moderate to deep sleep, so you will not feel any discomfort when the endoscope is inserted through the mouth and into the stomach.

How long does an EGD test take?

EGD is an endoscopic procedure that allows your doctor to examine your esophagus, stomach and duodenum (part of your small intestine). EGD is an outpatient procedure, meaning you can go home that same day. It takes approximately 30 to 60 minutes to perform.

Is colonoscopy worse than endoscopy?

Analysis showed that discomfort scores were significantly higher in patients undergoing colonoscopy compared to gastroscopy (4.65 vs 2.90, p<0.001) and also when comparing flexible sigmoidoscopy to gastroscopy (4.10 vs 2.90, p=0.047).

Do you get intubated for an EGD?

What type of sedation is used for the endoscopic procedures? We generally use TIVA (Total intravenous anesthesia – intravenous drugs Versed, Fentanyl, Propofol) to sedate patients that do not require airway intubation (placement of a breathing tube).

Can I drive home after an endoscopy?

Patients are advised not to drive themselves home after endoscopic procedures that involve propofol sedation, and to refrain from driving or taking public transportation unassisted for at least 24 hours.

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What is the prep for an EGD procedure?

Nothing to eat or drink at least 8 hours before the procedure. Medication can be taken 4 hours before examination with little sips of water. DO NOT TAKE ANY ANTACIDS OR CARAFATE BEFORE THE PROCEDURE or any of the medications mentioned. Wear loose comfortable clothing.

Can you do colonoscopy and endoscopy at the same time?

Conclusion: The optimal sequence for same-day bidirectional endoscopy is EGD followed by colonoscopy. In this order, the procedure is better tolerated, and patients require a lower overall dose of propofol.

What does an EGD and colonoscopy show?

A colonoscopy and upper endoscopy are two procedures performed frequently by gastroenterologists to view and examine various portions of your digestive tract. Colonoscopies inspect the large intestine (colon and rectum) while upper endoscopies observe the esophagus, stomach, and first part of the small intestine.

Will I be awake during colonoscopy?

You will be asked to change out of your street clothes and wear a hospital gown for the procedure. You will likely be given medicine into a vein (IV) to help you relax. You should not feel any pain. You may be awake during the test and may even be able to speak.

How awful is an endoscopy?

An endoscopy is not usually painful, but it can be uncomfortable. Most people only have mild discomfort, similar to indigestion or a sore throat. The procedure is usually done while you’re awake. You may be given a local anaesthetic to numb a specific area of your body.

What can you not do after an endoscopy?

You may be hungry or thirsty, but don’t eat or drink anything until you can comfortably swallow. When you can eat often depends on your appetite and your recovery speed. If your throat has been sprayed with numbing medication, don’t eat anything for at least an hour after the procedure.

What does chest pain after endoscopy mean?

Conclusion. Unexplained chest/epigastric pain in patients with normal endoscopy is a strong marker for ischemic heart disease and increased mortality.

Do they put a tube down your throat for a colonoscopy?

The doctor will put a flexible, lighted tube called a gastroscope into your mouth and slowly guide it through your esophagus into your stomach and part of the small intestine so that he can see these areas. If anything abnormal is seen during the exam, like inflamed tissue, the doctor can remove all or part of it.

What diseases can be detected by a colonoscopy?

  • Esophageal cancer.
  • Barrett’s esophagus, a precancerous change in the esophagus.
  • Stomach cancer.
  • H. pylori infection of the stomach.
  • Hiatal hernia.
  • Ulcers.

Can colonoscopy detect leaky gut?

I cannot find any reference that describes diagnosing leaky gut with an EGD or colonoscopy, so I personally cannot confirm that your doctor could tell you that you had “leaky gut.” Celiac disease is diagnosed with blood work and an endoscopy, not a colonoscopy.

Can endoscopy detect liver problems?

Liver disease and cirrhosis are common causes of mortality worldwide[1]. The role of endoscopy in liver disease is both diagnostic and interventional: endoscopy should be offered to patients with relevant symptoms (unsuspected liver disease may be diagnosed in this manner) and for variceal screening and treatment.

Can an endoscopy detect celiac disease?

Endoscopies and biopsies are the best way to diagnose celiac disease. A gastroenterologist (doctor who treats people with disorders of the stomach and intestines) will do an endoscopy if your/your child’s blood tests or genetic tests show signs of celiac disease.

How is a colonoscopy performed on a woman?

The long and winding female colon. A colonoscopy works like this: A patient lies on their side while a gastroenterologist inserts a colonoscope — essentially a camera on the end of a long, flexible tube — into their anus. From there, the doctor can use the scope to navigate through the entire large intestine.

What is sedation?

What is sedation? Sedation is medically induced temporary depression of consciousness prior to procedures that cause pain or discomfort to patients. Pain relieving medications (analgesics) are also usually administered as an adjunct to sedation.

How long is recovery after a colonoscopy?

Recovery from a colonoscopy, a procedure that examines your large intestine, usually lasts about a day. To help with healing, be sure to follow any post-procedure instructions. This may include resting, drinking lots of fluids, and not drinking alcohol for the first 24 hours.