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This test is indicated for suspected esophageal motility disorder (e.g. Achalasia), dysphagia, pre-operative assessment of anti-reflux surgery, non-cardiac chest pain.

HRIM studies the function of lower esophageal sphincter (LES) and esophageal motility. Local anesthetic will be given to patient and a catheter of 3mm diameter will be intubated through the patient’s nostril into the esophagus. After 10 minutes of resting, a sequence of swallowing tests (salt water or sometimes solid food) will be performed to access the motility of esophagus.

HRIM-1

HRIM-2