In short, an upper endoscopy allows physicians to visually inspect the upper digestive tract to accurately diagnose the root causes of abdominal pain, swallowing difficulties, and other gastrointestinal symptoms.
- Visual examination. A thin, flexible tube with a camera provides high-definition, real-time images of the esophagus, stomach, and duodenum to identify abnormalities.
- Tissue sampling. The procedure allows the doctor to obtain biopsies to test for conditions such as celiac disease, H. pylori infection, or cancer.
- Therapeutic intervention. Beyond diagnosis, this tool enables physicians to treat certain issues immediately, such as widening a narrowed esophagus or stopping bleeding.
An endoscopy is a vital diagnostic procedure that provides your physician with a direct view of the upper digestive system to identify the source of your symptoms. Many patients live with persistent heartburn, abdominal pain, or difficulty swallowing without understanding the underlying cause.
This procedure bridges the gap between uncertainty and a definitive diagnosis. By using a specialized camera, doctors can see issues that imaging tests like an X-ray or CT scan (computed tomography scan) might miss.
Understanding how this tool works can alleviate anxiety if your doctor recommends it. It is a safe, common, and highly effective way to protect your long-term digestive health.
What Is an Upper Endoscopy?
An upper endoscopy is also known medically as an esophagogastroduodenoscopy (EGD). It involves the use of a long, flexible tube called an endoscope.
This tube has a tiny light and a video camera at the end. The physician inserts the tube through the mouth and guides it carefully down the throat.
This allows the doctor to examine the lining of the esophagus, stomach, and the beginning of the small intestine (duodenum). The video images are displayed on a monitor in the procedure room.
What Symptoms Does It Investigate?
Your gastroenterologist may recommend an endoscopy if you have specific symptoms that do not improve with medication or lifestyle changes. It helps investigate signs that suggest structural or functional problems.
Common symptoms that warrant this procedure include:
- Severe or chronic heartburn and acid reflux
- Persistent nausea or vomiting
- Pain in the upper abdomen
- Difficulty swallowing or feeling like food is stuck in the chest
- Unexplained weight loss
- Signs of bleeding, such as black or tarry stools
If you are experiencing these issues, you might need an upper endoscopy. This is a proactive step toward finding relief and ensuring serious conditions are not overlooked.
Specific Conditions Diagnosed By Endoscopy
The primary goal of an endoscopy is to detect inflammation, ulcers, and tumors. The high-resolution images allow doctors to spot even small abnormalities.
Gastroesophageal Reflux Disease (GERD)
Chronic acid reflux can damage the lining of the esophagus. This procedure can reveal inflammation or changes in the tissue known as Barrett’s esophagus. Barrett’s esophagus is a condition that can increase the risk of esophageal cancer.
Peptic Ulcers
Ulcers are open sores that develop on the inside lining of your stomach and the upper portion of your small intestine. The camera can locate these ulcers and determine if they are bleeding.
Celiac Disease
While blood tests can screen for celiac disease, an EGD is the gold standard for diagnosis. The doctor looks for visible flattening of the villi in the small intestine.
Cancers
Early detection is critical for treating stomach or esophageal cancer. A study published in the British Journal of Cancer emphasizes that endoscopy is the most reliable method for screening and diagnosing upper gastrointestinal cancers at an early, treatable stage.
The Role Of Biopsies
One of the most valuable aspects of this procedure is the ability to perform a biopsy. A biopsy involves taking a small sample of tissue for laboratory testing.
This does not necessarily mean the doctor suspects cancer. Biopsies help test for Helicobacter pylori (H. pylori), a bacterium that causes stomach ulcers.
They also help confirm conditions like gastritis or celiac disease. The process is painless and performed using specialized instruments passed through the endoscope.
Preparation and What to Expect
Preparation is key to a successful examination. Your stomach must be empty for the doctor to have a clear view.
You will typically need to fast for four to eight hours before the procedure. This means no food or drink, including water, after midnight the night before.
You may also need to adjust certain medications. You should inform your doctor if you take blood thinners or diabetes medication like insulin.
It is critical to inform your doctor if you take weight loss or diabetes medications known as GLP-1 agonists (like Ozempic or Mounjaro). New guidelines may require you to hold these medications for a week prior to surgery to prevent anesthesia complications.
Upper Endoscopy in Austin, TX
If you are suffering from persistent digestive symptoms, do not wait for them to worsen. An endoscopy is a safe and effective way to get the answers you need.
At Austin Gastroenterology, our board-certified physicians utilize the latest technology to provide comprehensive diagnostic care. We are committed to your comfort and long-term health.
Contact us today to schedule an appointment at one of our convenient locations. You can also fill out our appointment request form. Let us help you find the root cause of your discomfort.
