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Table 1 Overview of fetal real-time image analysis for each volunteer

From: Motion compensated cine CMR of the fetal heart using radial undersampling and compressed sensing

  Slice counts Motion parameters
ID Ntot Ncard Nxy Nxyz TQ (s) DRMS (mm) HR (bpm)
1 20 16 11 5 3.3 (1.5–5.0) 2.5 (1.6–3.7) 140 (128–161)
2 20 17 17 0 - 0.5 (0.3–0.8) 145 (134–166)
3 20 15 13 2 7.1 (3.0–11.7) 1.5 (0.8–2.0) 131 (119–145)
4 25 25 18 7 7.0 (3.8–11.2) 1.5 (1.0–2.3) 152 (130–168)
5 20 17 5 12 4.8 (1.3–12.4) 0.8 (0.6–1.1) 169 (166–170)
6 25 22 18 4 5.1 (2.5–10.6) 1.0 (0.4–1.9) 132 (125–143)
7 20 15 14 1 6.6 (3.8–12.4) 1.0 (0.5–1.7) 159 (146–176)
  1. ID Volunteer identification, N tot Number of slices acquired, N card Number of slices containing cardiac anatomy, N xy Number of slices containing cardiac anatomy with only in-plane motion, N xyz Number of slices containing cardiac anatomy with both in-plane and through-plane motion, T Q Duration of quiescent through-plane motion, D RMS Root-mean-square of in-plane displacement, HR Fetal heart rate. quiescent period, displacement and heart rate values represent the mean and range