Certain digestive disorders or medications can disrupt peristalsis, preventing the muscle reflex from flowing properly. A healthcare provider can help determine the underlying cause of peristalsis ...

Hypotensive peristaltic contractions (ineffective peristalsis) Decreased amplitude (<30 mmHg) peristaltic or nonperistaltic contractions in distal esophagus with 30% of wet swallows ...

d: Midesophageal propulsion diverticulum with esophageal motility disorder (see Video 5). e; Normal peristaltic sequence for comparison with slow esophageal transit (see Video 6). f; Hypotensive ...