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. 2017 Dec 26;7(12):e018130. doi: 10.1136/bmjopen-2017-018130

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Measurement sites with 2D comb-push SWE using an abdominal convex probe 1–6 MHz (C1-6-D probe). Colour scale ranging from 0 to 48 kPa. Sufficient colour maps covering more than 50% of the sampling area obtained considered as a technical success. ROI are placed on homogeneous elastograms.- (A,B) three measurements on the proximal lung (anterior ‘P1’, medium ‘P2’ and posterior portion ‘P3’). - (A,C) three measurements on the distal lung (anterior ‘D1’, medium ‘D2’ and posterior portion ‘D3’). - (D–F) three measurements on three liver segments (IV, (V, VI). Operator will perform two cycles of nine kPa measurements while systematically repositioning the probe and each target ROI.