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Characterization of Esophageal Contractility
| Contraction vigour | |
|---|---|
| Failed | DCI < 100 mmHg·sec·cm |
| Weak | DCI 100–450 mmHg·sec·cm |
| Ineffective | Failed or weak |
| Normal | DCI 450–8000 mmHg·sec·cm |
| Hypercontractile | DCI > 8000 mmHg·sec·cm |
|
| |
| Contraction pattern | |
|
| |
| Premature | DL < 4.5 sec |
| Fragmented | Break > 5 cm in the 20 mmHg isobaric contour with normal DCI |
| Intact | Not achieving the above criteria |
DCI, distal contractile integral; DL, distal latency.
