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How is GERD diagnosed?

GERD is diagnosed through a combination of clinical evaluation and diagnostic tests. Medical professionals often begin with a detailed patient history to assess symptoms and their frequency.

Upper endoscopy allows direct visualization of the esophagus, while pH monitoring measures acid levels to confirm reflux. Imaging studies like barium swallow or esophageal manometry may be used to evaluate esophageal function.

Additionally, ambulatory reflux monitoring, often conducted over 24 hours, provides a comprehensive assessment of acid exposure.

The combination of these approaches helps healthcare providers make an accurate diagnosis and tailor an effective treatment plan for individuals with GERD.


1. Kahrilas, P. J., Shaheen, N. J., & Vaezi, M. F. (2008). American Gastroenterological Association Institute technical review on the management of gastroesophageal reflux disease. Gastroenterology, 135(4), 1392–1413. [](

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