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Upper Endoscopy & Upper GI Series in NYC


What is an upper GI endoscopy or EGD?

An upper endoscopy, known as an upper GI endoscopy or esophagogastroduodenoscopy (EGD), is a medical procedure that can identify issues in the esophagus (a tube-like portion of your throat that helps you swallow), stomach, and upper small intestine. For patients who need more of their small intestine examined, a deep endoscopy (small bowel endoscopy) might be warranted. A routine upper endoscopy procedure involves your Gotham Gastroenterologist carefully inserting an endoscope through your mouth and esophagus to examine the inside of your body. The endoscope is a small, specialized tool that can visualize the inside of your stomach and intestine without the need for surgery.

Why is an upper endoscopy performed?

The upper endoscopy procedure is needed when the stomach, esophagus, or upper small intestine (known as the duodenum) requires a thorough examination. Most commonly, the upper endoscopy helps your doctor to determine the condition behind one of the following digestive symptoms:


Your doctor might also recommend an EGD to help with a biopsy test, in order to treat an ulcer or other condition, to remove food or an object that is causing a throat obstruction, or to help make an accurate diagnosis of one of the following digestive conditions:

  • Tumors or precancerous growths
  • Polyps
  • Ulcers
  • Celiac disease
  • Inflammation
  • Throat infections
  • Abnormal throat narrowing


What does an upper endoscopy or EGD test involve?

Before Your EGD/Upper Endoscopy

It is important that your stomach is completely empty before undergoing your EGD. You’ll be given specific instructions on what to eat and what not to eat before your EGD exam. Usually, it involves fasting for a period of about 8 hours prior to your procedure. Speak with your doctor before your appointment for more details and to ask any questions you may have before your EGD appointment.

During Your EGD/Upper Endoscopy

Just before your upper endoscopy, you will be given a sedative to help you relax and to ensure that you are not experiencing discomfort during the procedure. During the procedure, the small, flexible endoscope is inserted through your mouth to reach the esophagus and stomach. You will still be able to breathe as normal, as the tool is very small and won’t disrupt your airway. Usually, the procedure is done within 30 minutes but could be longer or shorter depending on your particular diagnostic or monitoring needs. After the EGD, you will be able to go home with the help of a friend or family member to drive you while your sedation wears off.

What are the advantages of having an upper endoscopy at Gotham Gastroenterology?

Choosing to undergo an upper endoscopy at an endoscopy center can provide you with the following benefits:

  • Short, in-office procedure
  • Ability to diagnose or monitor digestive abnormalities
  • Safe and done under sedation for patient comfort
  • More detailed examination than regular x-ray exams
  • Minimally-invasive
  • Little or no downtime
  • Can return home after the procedure


For more information or to book an appointment with Gotham Gastroenterology, contact our office at 212-794-0240. Our team of experts strives to provide excellence in gastroenterology for patients in NYC. You can also make an appointment by filling out a form.

Procedure Instructions

Upper Endoscopy Instructions

Patient Escort Policy

Patient Education Videos

In the following educational videos about upper endoscopy and colonoscopy, ASGE doctors walk viewers through both procedures featuring real patients – from preparation instructions to what happens during the procedures and what to expect after the exams. Click on the links below to watch videos.


Upper Endoscopy