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Gastroesophageal reflux disease (GERD) is a digestive disorder that is caused by gastric acid flowing from the stomach into the esophagus.
Gastroesophageal refers to the stomach and esophagus, and reflux means to flow back or return. Gastroesophageal reflux (GER) is the return of acidic stomach juices, or food and fluids, back up into the esophagus.
The following is the most common symptom of GERD. However, each individual may experience symptoms differently.
Heartburn, also called acid indigestion, is the most common symptom of GERD. Heartburn is described as a burning chest pain that begins behind the breastbone and moves upward to the neck and throat. It can last as long as two hours and is often worse after eating. Lying down or bending over can also result in heartburn.
Most children younger than 12 years of age, and some adults, diagnosed with GERD will experience a dry cough, asthma symptoms, or trouble swallowing, instead of heartburn. Heartburn pain is less likely to be associated with physical activity.
The symptoms of GERD may resemble other medical conditions or problems. Always consult your doctor for a diagnosis.
GERD typically occurs when acid from the stomach backs up into the esophagus. The lower esophageal sphincter (LES), a muscle located at the bottom of the esophagus, opens to let food in and closes to keep it in the stomach. When this muscle relaxes too often or for too long, acid refluxes back into the esophagus, causing heartburn.
Other lifestyle contributors to GERD may include the following:
Consuming certain foods, such as citrus,chocolate, fatty, and spicy foods
Use of nonsteroidal anti-inflammatory (NSAIDs) drugs, such as aspirin and ibuprofen
Other conditions associated with heartburn may include the following:
Gastritis. This is inflammation of the stomach lining
In addition to a complete medical history and physical examination, diagnostic procedures for GERD may include the following:
Upper GI (gastrointestinal) series (also called barium swallow). A diagnostic test that examines the organs of the upper part of the digestive system: the esophagus, stomach, and duodenum (the first section of the small intestine). A fluid called barium (a metallic, chemical, chalky, liquid used to coat the inside of organs so that they will show up on an X-ray) is swallowed. X-rays are then taken to evaluate the digestive organs.
Esophagogastroduodenoscopy (also called EGD or upper endoscopy). An EGD (upper endoscopy) is a procedure that allows the doctor to examine the inside of the esophagus, stomach, and duodenum. A thin, flexible, lighted tube, called an endoscope, is guided into the mouth and throat, then into the esophagus, stomach, and duodenum. The endoscope allows the doctor to view the inside of this area of the body, as well as to insert instruments through a scope for the removal of a sample of tissue for biopsy (if necessary).
Bernstein test. A test that helps to confirm that the symptoms are a result of acid in the esophagus. The test is performed by dripping a mild acid through a tube placed in the esophagus.
Esophageal manometry. This test helps determine the strength of the muscles in the esophagus. It is useful in evaluating gastroesophageal reflux and swallowing abnormalities. A small tube is guided into the nostril, then passed into the throat, and finally into the esophagus. The pressure the esophageal muscles produce at rest is then measured.
pH monitoring. This measures the acidity inside of the esophagus. It is helpful in evaluating gastroesophageal reflux disease (GERD). A thin, plastic tube is placed into a nostril, guided down the throat, and then into the esophagus. The tube stops just above the lower esophageal sphincter, which is at the connection between the esophagus and the stomach. At the end of the tube inside the esophagus is a sensor that measures pH, or acidity. The other end of the tube outside the body is connected to a monitor that records the pH levels for a 24 to 48 hour period. Normal activity is encouraged during the study, and a diary is kept of symptoms experienced, or activity that might be suspicious for reflux, such as gagging or coughing. It is also recommended to keep a record of the time, type, and amount of food eaten. The pH readings are evaluated and compared to the patient's activity for that time period.
Specific treatment for GERD will be determined by your doctor based on:
Your age, overall health, and medical history
Extent of the condition
Your tolerance for specific medications, procedures, or therapies
Expectations for the course of the condition
Your opinion or preference
In many cases, GERD can be relieved through diet and lifestyle changes, as directed by your doctor. Some ways to manage heartburn include the following:
Monitor the medications you are taking--some may irritate the lining of the stomach or esophagus.
Watch food intake and limit fried and fatty foods, peppermint, chocolate, alcohol,citrus fruit and juices, tomato products, and caffeinated drinks, such as coffee, soda pop, and energy drinks. .
Eat smaller portions.
Watch consumption of alcohol.
Do not lie down or go to bed right after a meal. Instead, wait a couple of hours.
Lose weight, if necessary.
Elevate the head of the bed 6 inches by placing bricks or cinderblocks under the legs of the bed.
Take an antacid, as directed by your doctor.
Ask your doctor about use of over-the-counter medicines called "H2-blockers" and "protein pump inhibitors". Formerly available only by prescription, these drugs can be taken before eating to prevent heartburn from occurring. Also, promotility medications, which help to empty food from the stomach, may be prescribed by your doctor.
Occasionally, a surgical procedure called fundoplication may be performed to help keep the esophagus in proper position and prevent reflux.
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