1
Q
increased TR = _______ SNR
A
increased
2
Q
increased TR = _______ scan time
A
increased
3
Q
increased TR = _______ detail
A
unchanged
4
Q
increased TR = _______ SAR
A
decreased
5
Q
increased TR = _______ T1 weighting
A
decreased
6
Q
increased TR = _______ # of slices
A
increased
7
Q
decreased TR = _______ SNR
A
decreased
8
Q
decreased TR = _______ scan time
A
decreased
9
Q
decreased TR = _______ detail
A
unchanged
10
Q
decreased TR = _______ SAR
A
increased
11
Q
decreased TR = _______ T1 weighting
A
increased
12
Q
decreased TR = _______ # of slices
A
decreased
13
Q
increased TE = _______ SNR
A
decreased
14
Q
increased TE = _______ scan time
A
indirectly increased (impact to TR)
15
Q
increased TE = _______ detail
A
unchanged
16
Q
increased TE = _______ SAR
A
unchanged
17
Q
increased TE = _______ T2 weighting
A
increased
18
Q
increased TE = _______ # of slices
A
decreased
19
Q
decreased TE = _______ SNR
A
increased
20
Q
decreased TE = _______ scan time
A
indirectly decreased (impact to TR)
21
Q
decreased TE = _______ detail
A
unchanged
22
Q
decreased TE = _______ SAR
A
unchanged
23
Q
decreased TE = _______ T2 weighting
A
decreased
24
Q
decreased TE = _______ # of slices
A
increased
25
increased FOV = _______ SNR
increased
26
increased FOV = _______ scan time
unchanged (unless voxel size is constant)
27
increased FOV = _______ (detail) spatial resolution
decreased
28
increased FOV = _______ SAR
unchanged
29
increased FOV = _______ coverage area
increased
30
decreased FOV = _______ SNR
decreased
31
decreased FOV = _______ scan time
unchanged (unless voxel size is constant)
32
decreased FOV = _______ detail (spatial resolution)
increased
33
decreased FOV = _______ SAR
unchanged
34
decreased FOV = _______ coverage area
decreased
35
increased NSA/NEX = _______ SNR
increased
36
increased NSA/NEX = _______ scan time
increased
37
increased NSA/NEX = _______ detail
unchanged
38
increased NSA/NEX = _______ SAR
increased
39
increased NSA/NEX = _______ motion
increased
40
decreased NSA/NEX = _______ SNR
decreased
41
decreased NSA/NEX = _______ scan time
decreased
42
decreased NSA/NEX = _______ detail
unchanged
43
decreased NSA/NEX = _______ SAR
decreased
44
decreased NSA/NEX = _______ motion
decreased
45
increased ETL/TSE = _______ SNR
decreased
46
increased ETL/TSE = _______ scan time
decreased
47
increased ETL/TSE = _______ detail
unchanged
48
increased ETL/TSE = _______ SAR
increased
49
increased ETL/TSE = _______ blurring
increased
50
decreased ETL/TSE = _______ SNR
increased
51
decreased ETL/TSE = _______ scan time
increased
52
decreased ETL/TSE = _______ detail
unchanged
53
decreased ETL/TSE = _______ SAR
decreased
54
decreased ETL/TSE = _______ blurring
decreased
55
increased TI (inversion time) = _______ SNR
decreased
56
increased TI (inversion time) = _______ scan time
increased (due to increased TR required)
57
increased TI (inversion time) = _______ detail
unchanged
58
increased TI (inversion time) = _______ SAR
unchanged
59
increased TI (inversion time) = _______ tissue saturation
increased
60
decreased TI (inversion time) = _______ SNR
increased
61
decreased TI (inversion time) = _______ scan time
decreased (due to ability to lower TR)
62
decreased TI (inversion time) = _______ detail
unchanged
63
decreased TI (inversion time) = _______ SAR
unchanged
64
decreased TI (inversion time) = _______ tissue saturation
decreased
65
increased phase matrix = _______ SNR
decreased
66
increased phase matrix = _______ scan time
increased
67
increased phase matrix = _______ detail (spatial resolution)
increased
68
increased phase matrix = _______ SAR
increased (indirect)
69
increased phase matrix = _______ truncation artifacts
decreased
70
decreased phase matrix = _______ SNR
increased
71
decreased phase matrix = _______ scan time
decreased
72
decreased phase matrix = _______ detail (spatial resolution)
decreased
73
decreased phase matrix = _______ SAR
decreased (indirect)
74
decreased phase matrix = _______ truncation artifacts
decreased
75
increased flip angle = _______ SNR
increased
76
increased flip angle = _______ scan time
unchanged
77
increased flip angle = _______ detail
unchanged
78
increased flip angle = _______ SAR
increased
79
increased flip angle = _______ susceptibility
decreased
80
decreased flip angle = _______ SNR
decreased
81
decreased flip angle = _______ scan time
unchanged
82
decreased flip angle = _______ detail
unchanged
83
decreased flip angle = _______ SAR
decreased
84
decreased flip angle = _______ susceptibility
increased
85
increased rBw = _______ SNR
decreased
86
increased rBw = _______ scan time
decreased
87
increased rBw = _______ detail
unchaged
88
increased rBw = _______ SAR
unchanged
89
increased rBw = _______ chemical shift & metal artifacts
decreased
90
decreased rBw = _______ SNR
increased
91
decreased rBw = _______ scan time
increased
92
decreased rBw = _______ detail
unchanged
93
decreased rBw = _______ SAR
unchanged
94
decreased rBw = _______ chemical shift & metal artifacts
increased
95
increased PI reduction factor = _______ SNR
decreased
96
increased PI reduction factor = _______ scan time
decreased
97
increased PI reduction factor = _______ detail
unchanged
98
increased PI reduction factor = _______ SAR
decreased
99
increased PI reduction factor = _______ DWI susceptibility artifacts
decreased
100
decreased PI reduction factor = _______ SNR
increased
101
decreased PI reduction factor = _______ scan time
increased
102
decreased PI reduction factor = _______ detail
unchanged
103
decreased PI reduction factor = _______ SAR
increased
104
decreased PI reduction factor = _______ DWI susceptibility artifact
increased
105
increased DWI b-value = _______ SNR
decreased
106
increased DWI b-value = _______ scan time
increased (due to increased TR required)
107
increased DWI b-value = _______ detail
unchanged
108
increased DWI b-value = _______ SAR
unchanged
109
increased DWI b-value = _______ detection of stroke/neoplasm
increased
110
decreased DWI b-value = _______ SNR
increased
111
decreased DWI b-value = _______ scan time
decreased (due to ability to lower TR)
112
decreased DWI b-value = _______ detail
unchanged
113
decreased DWI b-value = _______ SAR
unchanged
114
decreased DWI b-value = _______ detection of stroke/neoplasm
decreased
115
increased # SAT bands = _______ SNR
decreased
116
increased # SAT bands = _______ scan time
increased (due to increased TR required)
117
increased # SAT bands = _______ detail
unchanged
118
increased # SAT bands = _______ SAR
increased
119
increased # SAT bands = _______ reduction motion/flow artifacts
decreased
120
decreased # SAT bands = _______ SNR
increased
121
decreased# SAT bands = _______ scan time
decreased (due to ability to lower TR)
122
decreased# SAT bands = _______ detail
unchanged
123
decreased# SAT bands = _______ SAR
decreased
124
decreased# SAT bands = _______ reduction of motion/flow artifacts
increased
125
increased slice thickness = _______ SNR
increased
126
increased slice thickness = _______ scan time
unchanged
127
increased slice thickness = _______ detail (spatial resolution)
decreaed
128
increased slice thickness = _______ SAR
unchanged
129
increased slice thickness = _______ partial volume artifacts
increased
130
decreased slice thickness = _______ SNR
decreased
131
decreased slice thickness = _______ scan time
unchanged
132
decreased slice thickness = _______ detail (spatial resolution)
increased
133
decreased slice thickness = _______ SAR
unchanged
134
decreased slice thickness = _______ partial volume artifacts
decreased
135
increased # of slices acquired = _______ SNR
unchanged
136
increased # of slices acquired = _______ scan time
increased (due to increased TR required)
137
increased # of slices acquired = _______ detail
unchanged
138
increased # of slices acquired = _______ SAR
increased
139
increased # of slices acquired = _______ anatomic coverage
increased
140
decreased # of slices acquired = _______ SNR
unchanged
141
decreased # of slices acquired = _______ scan time
decreased (due to ability to lower TR)
142
decreased # of slices acquired = _______ detail
unchanged
143
decreased # of slices acquired = _______ SAR
decreased
144
decreased # of slices acquired = _______ anatomic coverage
decreased
MRI
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