Table 4 Estimated motion in mm as a function of respiratory and pulsatile gates in the phantom study.

From: Estimation of optimal number of gates in dual gated 18F-FDG cardiac PET

Total motion in mm

Number of respiratory gates

1

2

3

4

5

6

Number of pulsatile gates

1

0

7.5

10.4

10.6

11.1

12.0

4

3.0

9.3

11.2

12.5

12.7

12.8

6

3.1

9.3

11.3

12.5

12.8

12.9

8

3.5

9.4

11.8

12.6

12.8

12.9

10

3.5

9.4

11.8

12.6

12.8

12.9

  1. Numbers in italic font signify the number of gates needed to capture maximum motion amplitude of 12.7 mm. Bold font indicates the optimal number of gates, where the product of respiratory and cardiac gates is minimal.
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