Transit time technique: (A) axial HASTE through the pulmonary trunk bifurcation; (B) short axis RPA; (C) short axis MPA; (D) short axis LPA; (E) flow curves.

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Presentation transcript:

Transit time technique: (A) axial HASTE through the pulmonary trunk bifurcation; (B) short axis RPA; (C) short axis MPA; (D) short axis LPA; (E) flow curves from the three pulmonary arteries. Transit time technique: (A) axial HASTE through the pulmonary trunk bifurcation; (B) short axis RPA; (C) short axis MPA; (D) short axis LPA; (E) flow curves from the three pulmonary arteries. Time delay between arrival of the three flow curves can then be derived, while the distance is measured from the axial HASTE image. HASTE, half-Fourier acquisition turbo spin echo; LPA, left pulmonary artery; MPA, main pulmonary artery; RPA, right pulmonary artery. Jonathan R Weir-McCall et al. BMJ Open Resp Res 2016;3:e000149 ©2016 by British Thoracic Society