Effortless Regurgitation Of Undigested in Medicine / Internal Medicine — 45yo Man | Gastroenterology | SMLE Q#788
SMLE Question #788
Medicine / Internal Medicine
Gastroenterology
Last updated: February 2026
A 45-year-old man has 1 year of gradually progressive dysphagia to solids and liquids with effortless regurgitation of undigested food, worse when lying down at night. He has no weight loss, odynophagia, or caustic ingestion history. Physical examination is unremarkable. The clinician suspects achalasia and wants to confirm the diagnosis by directly assessing esophageal motor function and lower esophageal sphincter relaxation. What is the best diagnostic test to establish the diagnosis?
Continue in practice mode
Sign in and start a focused practice session to view options, submit your answer, and read the full explanation.