A 50-year-old gynecologist complains of dysphagia, regurgitation, and weight loss. She also states that she feels as if food is stuck at the level of the xiphoid. An upright chest x-ray shows a dilated esophagus with an air-fluid level. Which of the following is FALSE?
A barium swallow will show a "bird's beak" deformity Manometry will demonstrate that the LES fails to relax during swallowing. Upper endoscopy should be avoided because of the risk of complications. Medical treatment includes nitrates and calcium channel blockers.