Gastroenterology and Hepatology Q 7

A 52-year-old man is evaluated for dysphagia of 3 months' duration. He reports regurgitating undigested food soon after eating solid food, occasional coughing and choking after swallowing, and chronic halitosis. He reports no weight loss or chest pain. He drinks two beers weekly and does not smoke.

On physical examination, vital signs are normal; BMI is 25. The remainder of the examination, including abdominal examination, is unremarkable.

Which of the following is the most appropriate diagnostic test to perform next?

A Barium esophagography

B Esophageal manometry

C 24-Hour esophageal pH monitoring

D Upper endoscopy

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