Non-specific esophageal motility disorder (NSMD) is one of the esophageal dysmotility disorders. It is used to describe patients with esophageal dysmotility that do not meet diagnostic criteria for other esophageal motility disorders.
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Clinical presentation
Patients may be asymptomatic or present with dysphagia or less commonly chest pain.
Radiographic features
Fluoroscopy
On barium swallow, the following findings may be present:
- interrupted primary peristalsis
- variable number and severity of tertiary (non-propulsive) contractions
- failure of lower esophageal sphincter relaxation
Differential diagnosis
Other esophageal dysmotility disorders should be considered:
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