Esophageal Ph Test
Medically reviewed by Drugs.com. Last updated on Jun 5, 2024.
An esophageal pH test measures the amount of stomach acid that reaches your esophagus. The test lasts 1 to 2 days while you go about your usual daily activities. An esophageal pH test is often used to diagnose gastroesophageal reflux disease (GERD).
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DISCHARGE INSTRUCTIONS:
Call your doctor or gastroenterologist if:
- You have chest pain.
- You have questions or concerns about the test.
Follow up with your doctor or gastroenterologist as directed:
You may need to return the next day to have your catheter removed. Write down your questions so you remember to ask them during your visits.
Keep a diary during the testing period:
- Keep your daily routine as normal as possible.
- Follow your healthcare provider's instructions on what to eat and drink. Write down everything you eat and drink, what time, and how much you consume.
- Write down the times you were lying, standing, sitting, and sleeping.
- Write down your symptoms, what time they occur, and your body position at that time.
- Give the diary to your healthcare provider. Your provider will compare it with the data collected during the test.
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