Figure 13
CMR protocol. Key to protocol abbreviations: trans = transaxial; cor = coronal; sag = sagittal; MV = mitral valve; AV = aortic valve; MRA = magnetic resonance angiography; TSE = turbo spin echo. Typical Imaging Parameters and points to note: Aortic SSFP- FoV Read 320 mm, slice thickness 7 mm, flip angle 800, voxel size 1.7 × 1.7 × 7.0 mm. TSE – 5–10 parallel images planned from a transverse stack along long axis of aorta. Image position can be copied from Half-Fourier Single Shot TSE or SSFP stacks. For T2 weighted TSE: FoV Read 340 mm, slice thickness 6.0 mm, TR 700 ms, TE 81.0 ms. For T1 weighted TSE: FoV Read 340 mm, slice thickness 6.0 mm, TR 750 ms, TE 31.0 ms. CE-MRA- Give 0.1-0.2 mmol/kg gadolinium. Images should be reconstructed in MPR and analysed in thin MIP. 3D Navigated SSFP MRA- FoV Read 320 mm, slice thickness 1.5 mm, flip angle 900, voxel size 1.0 × 1.0 × 1.5 mm.