Factors Affecting Contrast And Spatial Resolution Flashcards Preview

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Flashcards in Factors Affecting Contrast And Spatial Resolution Deck (17)
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1

If you ⬆️ your spatial frequency what happens to your contrast and spatial resolution?

⬇️ contrast resolution
N/A for spatial resolution

2

⬆️ object size what happens to your contrast and spatial resolution?

⬆️ contrast resolution
N/A to spatial resolution

3

⬆️ kVp what happens to your contrast and spatial resolution?

⬇️ contrast resolution
N/A to spatial resolution

4

⬆️ focal spot size what happens to your contrast and spatial resolution?

N/A for contrast resolution
⬇️ spatial resolution

5

⬆️ subject density (increase scatter), what happens to your contrast and spatial resolution?

⬇️ contrast resolution
N/A for spatial resolution

6

If you ⬆️ subject thickness, what happens to your contrast and spatial resolution?

⬇️ contrast resolution
N/A for spatial resolution

7

If you ⬆️ your mAs, what happens to your contrast and spatial resolution?

N/A for either

8

If you ⬆️ your pitch (P), what happens to your contrast and spatial resolution?

⬇️ contrast resolution
⬇️ spatial resolution

9

If you ⬆️ your slice acquisition thickness, what happens to your contrast and spatial resolution?

⬇️ contrast resolution
⬇️ spatial resolution

10

If you ⬆️ your matrix size, what happens to your contrast and spatial resolution?

⬇️ contrast resolution
⬆️ spatial resolution

11

If you ⬆️ pixel size, what happens to your contrast and spatial resolution?

⬆️ contrast resolution
⬇️ spatial resolution

12

If you use a Bone algorithm, what happens to your contrast and spatial resolution?

⬇️ contrast resolution
⬆️ spatial resolution

13

If you used a soft tissue algorithm (smoothing algorithm), what happens to your contrast and spatial resolution?

⬆️ contrast resolution
⬇️ spatial resolution

14

If you ⬆️ WW, what happens to your contrast and spatial resolution?

⬇️ contrast resolution
N/A for spatial resolution

15

if you ⬆️ DFOV, what happens to your contrast and spatial resolution?

N/A for contrast resolution
⬇️ spatial resolution

16

If you have Patient motion, what happens to your contrast and spatial resolution?

N/A for contrast resolution
⬇️ spatial resolution

17

If you have ⬆️ SNR (signal to noise ratio), what happens to your contrast and spatial resolution?

⬆️ contrast resolution
N/A for spatial resolution