Disorders of Peristalsis
- Absent contractility (failed peristalsis);
- distal esophageal spasm (uncord. peristalsis w/ simult. contractions);
- hypercontractile esoph (high amp contract.; Rx w/PPI, nitrates/CCB/PDEi, TCA);
- ineffective esophageal motility (↓ amp of distal esoph contractions;
- seen in scleroderma, DM, hypothyroid.;
- Rx w/ underlying disorder & w/ PPI)