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Table 2 DUS Gating characteristics

From: Dynamic fetal cardiovascular magnetic resonance imaging using Doppler ultrasound gating

Subject

RR Interval [ms]

Variability [ms]

RR Rejected

Triggera

Sensitivity [%]

1

461 ± 25

26 ± 22

0

72

100

2

442 ± 42

33 ± 23

3

36

92

3

445 ± 32

43 ± 29

0

82

100

4

368 ± 21

44 ± 43

4

74

95

5

394 ± 14

38 ± 28

6

86

93

6

399 ± 18

20 ± 25

3

58

95

7

428 ± 25

31 ± 21

0

25

100

8

382 ± 12

17 ± 13

1

97

99

9

388 ± 12

19 ± 15

0

34

100

10

397 ± 14

28 ± 31

0

85

100

11

400 ± 18

13 ± 12

4

71

94

12

422 ± 29

12 ± 9

2

61

97

13

446 ± 41

17 ± 24

4

90

96

14

400 ± 41

18 ± 18

2

78

97

15

454 ± 27

31 ± 32

2

76

97

Mean

418 ± 25

26 ± 22

2 ± 1

64 ± 21

97 ± 4

  1. aNumber of trigger signals vary dependent on all acquired cine images per fetus