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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2018 Aug 3;17(4):674–681.e1. doi: 10.1016/j.cgh.2018.07.042

Figure 1. FLIP panometry.

Figure 1

A portion of a FLIP study is displayed with diameter (color-coded) by time FLIP topography plot (bottom) and corresponding intra-balloon pressure (top; red) and distension volume (top, blue). The EGJ-distensibility index (DI) was calculated during the 60-ml fill volume within the EGJ region (dashed white box) and measured 6.7 mm2/mmHg. In this subject, the maximum EGJ diameter (white *) occurred during a contraction at the 70-ml fill volume. The contraction-associated pressure amplitude (vertical black lines) were assessed during the 50ml fill volume. Figure used with permission from the Esophageal Center at Northwestern.