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Esophageal diameter (FLIP) Panometry contraction types and contractile patterns. Examples of contraction types include: [a] absent contractility, [b] non-occluding contractions (purple circle), and [d] occluding contractions (purple rectangle). Examples of contractile patterns include: [c] repetitive antegrade contractions and [d] repetitive retrograde contractions (checkered boxes highlight propagation direction).
