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Table 1 CMR scan protocols at 3 Tesla and 1.5 Tesla

From: Artefacts in 1.5 Tesla and 3 Tesla cardiovascular magnetic resonance imaging in patients with leadless cardiac pacemakers

3 T TF single-shot localizer TF single-shot localizer TRA TF single-shot localizer 2ch TF single-shot localizer 4ch TF single-shot localizer SA TF frequency-scout 4ch TF cine 4ch FLASH cine 4ch TF cine SAG TF cine 2ch TF cine 2ch RV TF cine LVOT TF cine RVOT T2 TSE DB FS SA T2 TSE DB FS 4ch T1 TSE DB 4ch T1 TSE DB SA
Time of acquisition [sec] 12 45 1 1 8.6 12 9.5 11 159 9.5 9.5 11 11 9.5 9.5 11 12
Slices/slab 5, 5, 3 30 1 1 9 1 1 1 9 1 1 1 1 1 1 1 1
Slice group 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Total slices 13 30 1 1 9 1 1 1 9 1 1 1 1 1 1 1 1
Distance factor [%] 200 20 20 20 100 20 20 20 67 20 20 20 20 50 50 50 50
Orientation SAG
COR
TRA
TRA 2ch 4ch SA 4ch 4ch 4ch SA 2ch 2ch RV LVOT RVOT SA 4ch 4ch SA
Phase encoding A> > P A> > P R> > L A> > P A> > P A> > P R> > L A> > P A> > P A> > P R> > L A> > P L> > R A> > P A> > P R> > L A> > P A> > P R> > L
FOV read [mm] 430 380 420 420 420 420 380 380 380 400 400 380 380 400 380 380 400
FOV phase [%] 90 90 100 100 100 81 81 80 84 81 81 100 100 78 78 75 75
Slice thickness [mm] 6 5 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8
TR [ms] 237 297 269 260 260 269 41 50 41 41 41 41 41 700 700 700 700
TE [ms] 1.14 1.2 1.18 1.14 1.14 1.21 1.25 2.43 1.25 1.24 1.24 1.25 1.25 71 71 31 31
Concatenations 13 3 1 1 9 1 1 1 9 1 1 1 1 1 1 1 1
Flip angle 40 40 40 40 40 40 35 12 35 35 35 35 35 180 180 150 150
Matrix 230 × 256
256 × 230
512 × 460 256 × 256 256 × 256 256 × 256 256 × 208 256 × 208 256 × 206 216 × 256 208 × 256 208 × 256 256 × 256 256 × 256 400 × 512 512 × 400 256 × 192 192 × 256
Phase resolution [%] 65 80 65 65 65 66 81 80 81 81 81 81 81 80 80 80 80
Fat suppression none none none none none none none none none none none none none FS FS none none
Dimension 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D
Bandwidth [Hz/px] 977 1085 849 977 977 781 1085 543 1085 1085 1085 1085 1085 849 849 781 781
Turbo factor               21 21 9 9
RF pulse type fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast
Gradient mode fast fast fast fast fast fast fast fast fast fast fast fast fast normal normal fast fast
1,5 T TF localizer multi iPAT TF TRA TF 2ch TF 4ch TF SA TF cine 4ch FLASH cine 4ch TF cine SA TF cine 2ch TF cine 2ch RV TF cine LVOT TF cine RVOT T2 TSE DB FS SA T1 TSE DB SA T2 TSE DB FS 4ch T1 TSE DB 4ch
Time of acquisition [sec] 16 40 2.4 2.4 12 5.5 6.7 44 6.1 6.1 6.1 6.1 24 13 20 12
Slices/slab 5, 5, 3 30 1 1 9 1 1 9 1 1 1 1 1 1 1 1
Slice group 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Total slices 13 30 1 1 9 1 1 9 1 1 1 1 1 1 1 1
Distance factor [%] 200 20 20 20 100 20 20 67 20 20 20 20 20 25 20 25
Orientation SAG
COR
TRA
TRA 2ch 4ch SA 4ch 4ch SA 2ch 2ch RV LVOT RVOT SA SA 4ch 4ch
Phase encoding A> > P A> > P R> > L A> > P A> > P A> > P A> > P A> > P R> > L A> > P A> > P A> > P A> > P A> > P A> > P H> > F R> > L R> > L
FOV read [mm] 400 350 400 400 400 380 380 400 400 400 380 380 400 400 380 380
FOV phase [%] 100 89.8 100 100 100 83.3 83.3 85.8 99.2 99.2 99.2 99.2 75 75 75 75
Slice thk [mm] 8 5 8 6 6 6 6 6 6 6 6 6 8 8 8 8
TR [ms] 288 341 285 288 288 40 51 52 41 41 41 41 700 700 700 700
TE [ms] 1.1 1.2 1.1 1.1 1.1 1. 2. 1.2 1.2 1.2 1.2 1.2 81 29 81 29
Concatenations 1 3 1 1 1 1 1 9 1 1 1 1 1 1 1 1
Flip angle 80 70 80 80 80 70 15 70 70 70 70 70 180 180 180 180
Matrix 256 × 256 512 × 460 256 × 256 256 × 256 256 × 256 240 × 200 200 × 240 206 × 240 238 × 240 238 × 240 240 × 238 238 × 240 384 × 512 384 × 512 512 × 384 512 × 384
Phase resolution [%] 66 80 65 65 65 85 85 85 85 85 85 85 80 80 80 80
Fat suppr. none none none none none none none none none none none none FS none FS none
Dimension 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D 2D
Bandwidth [Hz/px] 1149 977 1149 1149 1149 947 496 947 947 947 947 947 235 305 235 305
Turbo factor              23 11 23 11
RF pulse type fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast
Gradient mode fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast fast
  1. TF TrueFISP, FLASH fast low angle shot, TSE turbo spin echo, DB dark blood, FS fat saturation, iPAT integrated parallel acquisition techniques, TRA transversal, SAG sagittal, COR coronal, 2ch 2 chamber, 4ch 4 chamber, LVOT left ventricle outflow tract, RV right ventricle, RVOT right ventricle outflow tract, SA short axis