Motility disorders of the oesophagus relate to the muscle contractions that move food down the throat. The most effective method for diagnosing these specific functional issues is Manometry.
While other tests can be used for oesophageal issues, they are less direct for assessing *motility*:
Therefore, for diagnosing disorders specifically related to the motility or muscle function of the oesophagus, Manometry is the gold standard.
Which of the following statements are correct regarding Barrett's oesophagus?
1. It is a metaplastic change.
2. It is a risk factor for development of adenocarcinoma.
3. Ingestion of NSAIDs is the aetiological factor for its development.
4. Endoscopic mucosal resection is an effective treatment.
Select the answer using the code given below.
An air fluid level with dilated oesophagus and "bird beak" appearance in a barium swallow is diagnostic of: