Esophageal motility is best evaluated using a combination of endoscopy and barium x-ray study. In achalasia, endoscopy helps to rule out gastroesophageal junction malignancy. In scleroderma, ...

Peristalsis is absent. However, in contrast to achalasia, basal lower esophageal sphincter pressure is also effectively absent.

Scleroderma is a range of disorders in which the skin and connective tissues tighten and harden. It is a long-term, progressive disease. This means it gradually gets worse. Share on Pinterest ...