July 5, 2015
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Esophageal pH Monitoring (cont.)

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How is esophageal pH monitoring used?

Almost everyone has some acidic reflux, but the amount of reflux is small and rarely causes inflammation of the esophagus (esophagitis). As the amount of acid reflux increases above the normal range, so does the probability of developing esophagitis and its symptoms. In patients with symptoms that suggest acid reflux, a diagnosis of reflux can be made by demonstrating an acid pH in the esophagus for a greater than normal amount of time.

A common alternative method to diagnose reflux is to treat patients with medications that reduce reflux. If the patient's symptoms stop, then the symptoms are likely to be due to acid reflux. Another way of diagnosing acid reflux as the cause of symptoms is to demonstrate that episodes of acid reflux recorded by esophageal pH monitoring occur at exactly the same time as esophageal pain.

Esophageal pH monitoring also can be used to determine why treatment for reflux is not working. For example, a patient treated for acidic reflux may continue to have symptoms. If so, then the question must be asked as to why the symptoms are continuing. Is it because the medication is not adequate or is it because the symptoms are not due to reflux and, therefore, are not going to respond to treatment for reflux? If the pH monitoring study performed while the patient takes his or her medication for reflux shows abnormal amounts of reflux, then treatment is inadequate and needs to be changed. If the amount of acid reflux is within the normal range, then it is likely that the symptoms are not being caused by acid reflux, and other potential problems need to be considered as the cause of the symptoms.

Medically Reviewed by a Doctor on 6/30/2015

Source: MedicineNet.com
http://www.medicinenet.com/esophageal_ph_monitoring/article.htm

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