Datastore Fig. 4 PPI 17u 3- L Oral dose Individual / patient Oxygen saturation sensor SPECT/CT scanner Operator User interface (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) CORRECTED VERSION (19) World Intellectual Property Organization International Bureau (43) International Publication Date 111111111111110 111111 0111 11111 0111 110 1 0 111 0111 11 111 11111 0111 11111 1111 111110 1111 110 1111 (10) International Publication Number WO 2018/176105 A8 04 October 2018 (04.10.2018) WIP0 I PCT (51) International Patent Classification: GO1T 1/164 (2006.01) A61B 5/00 (2006.01) A61B 6/00 (2006.01) (21) International Application Number: PCT/AU2018/050301 (22) International Filing Date: 29 March 2018 (29.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 2017202137 31 March 2017 (31 03 2017) AU (71) Applicant: GORR PTY LIMITED [AU/AU]; 4 Hospital Road, Concord, New South Wales 2137 (AU). (72) Inventors: VAN DER WALL, Hans; 4 Hospital Road, Concord, New South Wales 2137 (AU). FALK, Grego- ry L.; 4 Hospital Road, Concord, New South Wales 2137 (AU). (74) Agent: FB RICE PTY LTD; Level 23, 44 Market St, Syd- ney, New South Wales 2000 (AU). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (54) Title: DIAGNOSING REFLUX DISEASE in (57) : A method (100) and system (1) for diagnosing reflux disease in an individual (3). The method (100) comprises: admin- O istering (110) an oral dose (17) of tracer in to the individual; capturing (120), with a single photon emission computed tomo