Answer
As with all reported symptoms, the differential diagnosis depends on presenting symptoms. With complaints of chest pain, coronary artery disease is the major concern and should be evaluated prior to an esophageal workup for esophageal motility disorders. Prolonged, nonexertional chest pain that is meal-related and relieved with antacids favors an esophageal etiology for chest pain. Heartburn and regurgitation further suggest esophageal etiology of chest pain with a component of reflux disease, whether it is related to esophageal dysmotility or complicating scleroderma.
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Media Gallery
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The typical picture of achalasia. Note the "bird-beak" appearance of the lower esophageal sphincter (LES), with a dilated, barium-filled esophagus proximal to it. Image courtesy of Andrew Taylor, MD, Professor, Abdominal Imaging, Department of Radiology, University of Wisconsin Medical School, Madison.
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The response to amyl nitrate (a smooth muscle relaxant), with partial relaxation of the lower esophageal sphincter (LES), allows some barium to pass through it into the stomach. Image courtesy of Andrew Taylor, MD, Professor, Abdominal Imaging, Department of Radiology, University of Wisconsin Medical School, Madison.
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Esophagram of a 65-year-old man with rapid-onset dysphagia over 1 year. Although esophagram shows a typical picture of achalasia, this patient had adenocarcinoma of the gastroesophageal junction. This is an example of pseudoachalasia, which reinforces the absolute need for esophagogastroduodenoscopy (EGD) in patients with radiologic diagnosis of achalasia. Image courtesy of Andrew Taylor, MD, Professor, Abdominal Imaging, Department of Radiology, University of Wisconsin Medical School, Madison.
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An esophagram demonstrating the corkscrew esophagus picture observed in a patient with manometry confirmed findings of diffuse esophageal spasm (DES). Image courtesy of Andrew Taylor, MD, Professor, Abdominal Imaging, Department of Radiology, University of Wisconsin Medical School, Madison.
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Response to amyl nitrate, with disappearance of the spasm on esophagram. Image courtesy of Andrew Taylor, MD, Professor, Abdominal Imaging, Department of Radiology, University of Wisconsin Medical School, Madison.
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Normal manometry results show normal esophageal body peristalsis with normal lower esophageal sphincter (LES) pressure and relaxation. The LES pressure tracing is at the level of the sleeve (tracing 6).
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Achalasia manometry picture Note the nonrelaxing lower esophageal sphincter (LES) and the absence of esophageal body peristalsis. The LES pressure tracing is at the level of the sleeve (tracing 6).
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Manometry demonstrates diffuse esophageal spasm with simultaneous contractions of the esophagus observed throughout the tracing. The lower esophageal sphincter (LES) pressure tracing is at the level of the sleeve (tracing 6).
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