ENT MCQ – Gold standard test for laryngopharyngeal reflux

Gold standard test for laryngopharyngeal reflux is?

A. Esophageal motility study

B. Barium swallow

C. 24 hour double probe pH monitoring

D. Esophageal biopsy

 

Correct answer : C. 24 hour double probe pH monitoring

Gold standard test for laryngopharyngeal reflux is 24 hour double probe (lower esophagus and pharynx) pH monitoring.