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Tele-videoConsultation Facility
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Precise Diagnosis
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What Is a 24-Hour pH with Impedance Study?
The 24-hour pH study test is an outpatient ambulatory medical procedure that evaluates acid and non-acid reflux from the stomach to the esophagus over 24 hours. This continuous monitoring helps doctors accurately diagnose conditions like acid reflux and gastroesophageal reflux disease (GERD). This test involves placing a small, flexible probe in the esophagus, which records acid levels as you go about your daily activities, providing valuable insights into your digestive health.
At ADROIT Speciality Hospital, we have a team of experts who perform the test with advanced technology to ensure precise and comfortable monitoring. The results help guide personalised treatment plans, improving symptom management and overall well-being. If you are experiencing frequent heartburn, chest pain, or swallowing difficulties, the 24-hour pH test can be an essential step toward effective diagnosis and care.
pH with Impedance Study - The Gold Standard for Reflux Testing
The 24-hour pH with impedance study is an advanced test that measures both acid and non-acid reflux in the esophagus. Unlike the standard pH test, which detects only acid, the impedance part can identify even weakly acidic or non-acid reflux, including gas or a mix of liquid and gas. This makes it especially useful for patients who continue to have symptoms despite taking acid-suppressing medicines or those with non-erosive reflux disease (NERD). It also helps track how far the reflux travels and how it relates to the patient’s symptoms.
The test, combined with symptom recording, allows doctors to better distinguish NERD (where reflux causes symptoms) from functional heartburn (where symptoms are present without significant reflux). It is also the only test to confirm that a patient is having LPR (Laryngo-pharyngeal reflux)
Overall, pH with impedance gives a more complete and accurate picture of all types of reflux episodes than a pH test alone.
What Should Patients Know Before 24-Hr pH Impedance Testing?
A 24-hour pH impedance test is a specialised diagnostic procedure that requires some simple preparation to ensure accurate results. Proper pre-test instructions help in obtaining reliable readings of both acid and non-acid reflux episodes.
Patients should schedule an appointment and receive appropriate pre-test instructions. Regular medications being taken should be discussed with the doctor. The doctor may advise stopping certain PPI medications 7 days before the test. If stopping these medications causes significant discomfort, medical advice should be sought, and alternative medications may be prescribed temporarily.
On the day of the test, patients are advised to stop eating and drinking at least 4 hours before the procedure.
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Why Choose Adroit for a 24-Hour pH with Impedance Study?
Choosing the right centre for a 24-hour pH with Impedance Study is essential for an accurate diagnosis. At ADROIT Speciality Centre, we combine advanced diagnostic technology with expert interpretation to accurately evaluate acid reflux and swallowing disorders, helping guide the most appropriate treatment.
Pioneer in Gujarat
Dr. Chirag Thakkar was among the first to introduce 24-hour pH monitoring and esophageal manometry in Gujarat, making advanced diagnostic evaluation for reflux and swallowing disorders more accessible to patients in the region
High-Volume Centre
As a high-volume centre for GERD, LPR, NERD, Adroit Speciality Hospital offers streamlined testing and expert guidance.
Deep Clinical Expertise
With extensive experience in managing GERD, hiatus hernia, achalasia, and complex swallowing disorders, Dr Chirag Thakkar understands when these tests are truly needed and how to interpret them accurately for meaningful clinical decisions.
Expert medical staff
Compassionate support throughout the diagnostic journey by trained staff in a well-coordinated manner.
Dr. Chirag Thakkar
M.S., F.R.C.S. (Edinburgh, U.K), FARIS
Senior Consultant GI, Bariatric and Robotic Surgeon
Director - ADROIT Speciality Hospital, Bariatric|Digestive|Hernia surgery
Dr Chirag Thakkar specialises in Bariatric, Acid reflux, GERD, and Hernia surgery, both by Laparoscopic and Robotic methods. He is the founder director of ADROIT Speciality Hospital for Bariatric, hernia, and digestive surgery.
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Frequently Asked Questions
No. Driving is not recommended during the test period, as the catheter may cause distraction or discomfort.
Certain medications, especially antacids and PPI medications, may need to be stopped before the test. Patients should discuss all regular medications with their doctor before the procedure.
Missing one or two symptom recordings is usually not a problem, but patients are encouraged to record symptoms as accurately as possible for reliable test results.
No. The procedure is generally not painful, although the catheter may cause mild discomfort or irritation during the test period.
No. The data recorder is not waterproof and should be protected from water or any potential damage during the test period.