For example, many patients with scleroderma have abnormal esophageal manometry tests. Esophageal spasms can cause severe chest pain that mimics heart disease. These spasms can be detected by appropriate manometry testing, using various stimuli such as medications or even balloon distention within the esophagus. Preparation for manometry Patients are usually asked to take nothing by mouth for at least 8 hours. The procedure is explained.
Cooperation is essential.
The thin plastic tube is passed via the nose or the mouth into the esophagus after the application of local anesthetic. This is usually easy with minimal coughing or gagging. The tube is then advanced into the stomach . By observing the pressure recordings on a computer screen we can locate the lower esophageal sphincter, the esophageal body and upper esophageal sphincter. The patient remains in a comfortable lying position.