Gastroesophageal Reflux Disease (GERD)
Etiology
Gastroesophageal reflux disease (GERD) can be caused by a number of different medical conditions. People suffering from obesity are more likely to develop GERD, and given the obesity epidemic in the United States and other western countries this explains why the prevalence of GERD approaches 20% in these countries. Pregnant women, smokers, diabetics, asthmatics, and anyone who suffers from slow digesting also have an increased risk of developing this disease.
Some people may suffer from genetic or medical conditions that predispose them to developing GERD. A hiatal hernia results when the upper portion of the stomach pushes up into the tube that connects the mouth to the stomach, the esophagus, and if the hernia is severe enough then GERD may develop. Schleroderma is a rare, progressive disease that causes the skin and other connective tissues to harden, which may interfere with the proper functioning of the...
Too much stomach acid can result from the development of tumors in and around the pancreas, and cause GERD.
Causes
The diaphragm is a valve that connects the stomach to the esophagus and helps to prevent digesting food from flowing backwards. If anything interferes with the proper functioning of this valve, such as obesity, then stomach acid can leak into the esophagus and irritate this tissue. If this happens often enough, then the esophagus will eventually become eroded by the stomach acid and esophageal ulcers and breathing problems will develop.
Diagnosis
The primary method for diagnosing GERD is to image the upper digestive system. To provide better resolution the patient may be required to drink a barium solution immediately prior to the X-ray. GERD may also be diagnosed using endoscopy, which involves passing a tube containing a light source and camera into the esophagus.…
