& Q# l+ e$ }- q7 v/ S
& [$ J- `4 d: d6 W4 w+ C2 {
|
& i5 @% y' m( I; q# U Pulse Sequence | ! _- Q) k! }# n+ V Z( ^6 S
4 {$ Y0 p3 M- i: k; ]- D5 W
Siemens |
$ n7 M, m4 n6 X: k( f) G! c j, K3 c O% t" o
GE |
% R! Q G& j8 v, q) I1 t
& [2 j5 r& c, b| 3 b) \$ A2 V* I* K; n
| % O4 b+ }5 ^0 A# i
/ ?, x0 } M) C! E | * j) _# Y( @5 A* b
& ?. y9 s' O, Q# ~/ W |
4 i2 Z( {8 x+ f6 o9 ]
3 |" ~% n8 o+ b# u6 m| / i# @5 z* I/ L- y
Spin Echo | . o) V0 b7 ^8 L5 b' a l3 p' R- j5 R
( ?& o+ E# M: b) a! x( L0 v
Spin Echo, SE |
4 @- h0 m; O C# N- |* T
' i, x, `$ r9 n* p Spin Echo |
5 a2 }* `2 Z/ v- J
+ F6 V5 F2 V9 i- x3 @5 ^) K|
0 I) @" J* G: Y3 ^: Q Gradient Echo | , N! U2 @" l# D; I
- l, T: n& f m
Gradient Echo, GRE | 1 E7 e: P/ m+ Y5 P& r9 m6 o- X
0 q, ^, q& d' x8 N0 V5 ?3 C, Q GRE, GRASS |
( e' R2 X# a) d# [7 D+ g7 Q1 {( t5 W ?$ r* R
| 0 [; x9 V7 t( C3 l" X& R% Z4 }( q
Spoiled Gradient Echo |
+ a6 p/ N9 ]7 e2 e- I, y! ]& s7 @% B0 B1 B
FLASH |
1 A* w$ D- \" n0 }7 Q9 A. |1 [! U% |. m' ?/ e* O% f( B
SPGR |
k9 V( w7 Y6 d/ z% Z6 h0 B2 w6 T: M7 Q
| ( @$ w. v" E6 J
Steady State Free Process |
% j* q+ i- g/ V" @0 {$ A7 L. C5 {' E. |
TrueFISP |
, d( ^! R Z$ ?
' o; y$ ]4 b. ?* @ Z& g: D5 q FIESTA |
4 [0 e. Z. q% f8 r, G' r
' t5 V7 `( _" e4 t X% N3 s! M| 0 F8 K2 \: R3 Y% {% D- e
Ultra Fast Gradient Echo | * v# g6 T/ @+ K) V
0 ~1 S+ _2 z; j4 A
Turbo Flash |
' J [5 a+ i4 s2 [: h& N& P- e9 R% \+ u
Fast GRE, Fast SPGR |
2 ?2 L4 Y2 [+ r. O4 n7 W @! X8 K. P% `: i" |" k
| 1 X( X7 h7 R- g' o) W
3D Ultra Fast | 7 _3 b, b( Q# f( w+ ]% @2 ]
5 T9 H K" a0 _+ k
MP Rage | 0 [4 G, ?. r4 u. h$ @% @
( q" }4 y9 d+ W/ a/ S/ Y
3DFGRE, 3D Fast SPGR |
. H: {' J3 ^* j9 y8 F) J7 Z% s. U! E' c( S2 t7 j
|
, H; D8 w# i6 z' L# l5 f Inversion Recovery |
4 V4 p% x5 P. Q+ _3 G3 h$ `$ M e0 P5 N$ N9 B' [
IR, TurboIR, TIR | ; C0 i4 P1 g# o) M1 ^
5 F0 x6 M. |6 O
IR, MPIR |
: Y# r7 p0 g, L$ s) S
2 ^5 l6 t3 o& c+ q; G3 I
| , |& R$ Z, E* ^& I' \. D; [
Short tau IR |
: W& Y# e" b9 ~6 y5 D' F. e8 O
6 f( Q; D0 D8 |( y. H6 K6 @# S- s STIR |
`" Z3 ]* B; f: i. B$ X0 k. R* E0 S1 d- T: |
STIR |
* ?3 y$ \" |7 g7 u, f' {; g" w
& z5 z( P& N; j$ |4 z x9 G! m| . U4 P7 e. D* V0 G# z
RARE Sequence Rapid Acquisition Relaxation Enhancement | ) n( U9 h' J+ ?! M% _: V
( V5 R1 I9 |' f. l! N$ M Turbo Spin Echo, TSE |
; q9 b: V) \" {) u- a% {/ E2 Y6 O c6 ^5 S& [9 F8 d+ O
Fast Spin Echo |
: n$ W+ o4 C) _: m% w5 q
; D" _. X" S8 o3 H| ) z' \' d, e6 ^' t/ w& s8 R( l
Gradient and Spin echo | * ?* W& o2 q9 o6 X2 a7 a) i
3 h1 J) K ~5 |3 V% u# R
Turbo GSE, TGSE | + k2 Z; K; \) d. o; ^. }+ T6 f% M
) Z, @0 _* h( L/ s+ i
GRASE |
' M/ `0 w) h' _7 ~8 o
- R8 F2 b( Q7 k| " p# l. x5 e6 l* t
Parallel Imaging | ) f! z$ H- p. ^2 R
) h8 k( H+ F- V+ a9 @& D# Y IPAT |
) K) E, J/ E, W$ s: l! N, x9 `
5 l2 l9 C: j$ g! G( G6 X/ j; U# q ASSET |
# \# e: v/ A+ x+ ?# z; Y S
8 j; U! w( G$ n# H& f& [2 j9 Y M|
\4 X3 K! ^7 c' F. s% L4 j Flow Velocity Encoding | 6 F M3 R. Q! h* K, y
& R8 {4 u' ]& m: }8 c6 T' U Phase Contrast | 2 G0 i- N& a" m% E0 i2 h- v
' r7 h8 p, M9 P5 { Phase Contrast |
# Y* x. P! v$ R% m) Y" W6 x( f/ F
- u8 I, u2 z3 C; c0 A7 a) x1 t% Q|
7 C) X" J5 x) g& t" K$ T Half Fourier Single Shot Turbo (Fast) Spin Echo |
, c! |+ c4 H8 u9 T/ y
* w; b' ^) ^: F( J. P HASTE |
- ~; ~3 s7 G/ w! ?+ I1 Y" \' H8 M. p9 Y; X0 J% }
SSFSE |
- V, [) B- J3 E6 L
, u0 j5 C/ z* I( E6 `) U| & u, {& e) D! j8 {
Cine Study (cardiac) | ) e9 p# @! t) b9 I8 k/ K. W; @( e
' K0 e$ V& }4 t- O6 u2 }$ y, b CINE FLASH |
7 e& G% O. Y8 h9 x/ x$ p, ^
9 q& P, K8 }7 O% Q* E- }5 B) G. a Cine, FASTCARD |
, B R6 Z" C+ b/ i2 e
$ E& R% d+ _" q: V% }2 A| 6 ?8 q" G6 @7 {; r3 N0 N; _
Spin echo black blood (cardiac) | 7 \( Z. b! I' x; X" u; X
- _+ D% A7 t+ Z
dark-blood prepared TSE, HASTE, FLASH |
9 X1 u, g3 ^, u/ \1 [3 J1 i) [9 q2 n9 y' J
Double IR FSE, FSE-XL with Blood suppression |
! c9 F: G0 q# L' o
: N o. a+ A/ p* a2 p| - Z; q2 {8 l8 F/ \8 y ~& }7 _, m
Spin echo black blood null fat (cardiac) |
+ h @/ m% |# S: O, Y! h1 Z
3 y3 r# K, p# }! U# s! z TRIM | : g3 i5 [' F9 ~ A. G( w
% X2 s) Q; C2 ~/ Z+ N
Triple IR FSE, FSE-XL IR with blood suppression |
2 h5 S* U! u6 k; N& K3 h
; |+ k* Z! ~# G$ [: t2 n$ s0 f9 i
|
7 P! s, Z7 B4 h w# C+ ` Viability imaging (cardiac) |
* ~$ S Y9 d3 a/ D
3 t0 D% {7 W2 c$ r( |9 a( J) U Segmented 2D TurboFLASH | ( n' |5 R1 a7 \7 _+ |* P" S" q
% o R1 k- ~8 }% m0 l1 n
Myocardial Delayed enhancment (MDE) IR Prep Gated FGRE |
" ?3 {, I* e6 P! p6 c! x3 l7 R" y& l/ E- e3 }+ L; j& @' n2 n) _( k
| $ A3 B1 e4 [5 A
Myocardial perfusion (cardiac) |
2 D- c" _+ n) ]) S1 r
* s/ z0 D4 _: I2 ` 2D TurboFLASH, SS TrueFisp sat or Ir, gre-epi | $ F6 W/ N1 g2 g& {5 u& S
) b! G' }6 G( n FGR-ET multiphase |
3 t# y/ r# Q' y( N2 u& v T
' X* |+ F/ d: L" B
|
# V/ Z: h7 J4 ~7 |" K) K9 w Scan Parameters | 1 K3 D8 C. l+ C: g
: W; \$ ^! Q8 K; ?& k5 b Y
|
% [2 ^3 o9 N9 ^" U$ z
( i6 \/ d1 T+ _/ U8 U; X6 g) ~, } |
4 N: `2 i* Q6 q' y2 y Y* v1 g! ?1 K
| 8 N& k$ I# M+ _9 B4 S
Echo Time, Repitition Time | 1 w3 Z: ^6 _* e; e3 E
8 a+ e. a! U+ D9 G: d0 u/ `7 q
TE, TR in msec |
0 ~" r: p$ a5 u1 `1 P% r; Y* J% W; A
TE, TR in msec |
# `1 M ^5 @3 `4 j
5 x, t1 [( w. q* [
|
0 `5 k/ b& }% t8 }- k/ Z Inversion Time |
; P; K! i# y, |! v* x- ~4 o9 H
S5 v' b8 B! l% K4 z% n TI in msec |
2 k2 i( d; r. l% m0 C& ]; I6 l
7 ?# x @$ b) O& W' G4 G TI in msec |
3 A& d6 k8 I+ F" v _
" H( ?# `! I2 d, V# u' M| ) X0 D! c* I# E# \- q5 m
# of echos per TR |
' S0 F; W5 ^) X ~* M: A+ Q/ Q* z" t6 X8 i6 b( o* a
Echo Train Length, ETL, Turbo Factor | # A, q3 E- i% a; u& g
9 |( S" t# g+ n3 E- C2 } ETL |
2 R0 G" l# f% `- S0 |7 _6 H0 r3 g' _; d \! _5 t* q
| / n: s# u. B \; D0 s+ P6 n
Time between echos |
( l2 h! c6 @ `4 u8 }* E3 p' R8 Y; G- A
Echo Spacing | ; D2 `9 l6 B ?% i; L
0 r9 m5 I1 x; o Echo Spacing |
8 K+ H+ N; @, {- k3 G
8 C; x+ q4 G3 h7 z! F| / x- M% Z/ M& q; t" V
Repeated Measurements | ) M( b) d' s1 E
4 v: V$ h1 U. ~# \ Acquisitions, Number of Averages | 3 k y/ ]) n9 N& `) s) m/ u: c
# S+ U: J2 @6 r4 K @7 y# s
NEX |
, a' y% A5 F) j
3 a$ v! R6 j1 Q& `2 G1 I' Y5 s| , ]4 i( a2 } b( t; N& Z
RF Pulse in Gradient Echo | 4 {6 C$ L/ @+ H, v7 V
+ m6 x1 M" S: ^8 V E7 A0 D* Q Flip Angle |
8 P+ Y1 A- v" o+ h* m! V0 j" V d# u1 k) \1 z" S4 R
Flip Angle |
6 E1 R$ M0 n9 D, x8 N U8 `( S
) G, @5 E8 @2 r# @% f/ d, @6 Q) y
| 5 N- V3 ~+ e/ L+ @9 r: u3 `
Scan Measurement Time |
& [5 n' U. p3 }8 B$ B( Q
M% ^; r/ S9 C; d$ m Acquisition Time, TA | 4 u( X, h( b( ^. R. ]
$ V. f+ u& Y, ^ Aquistition Time |
- R8 R [3 c' z3 i6 v
! D9 G" d: B2 ]! A
|
! y: B: ~% x& R Spacing between Slices |
4 {/ \. G) F6 b0 x5 ?6 O/ v3 n3 z2 E4 N# Y3 w2 U, p" n, I2 F3 w0 e
Distance Factor, In% |
. Z. j' |7 u3 E" J, ^6 n- ~: G7 w" X" J+ z+ r
Spacing |
8 P& V0 O& ]% G, A5 C5 q8 g
, s0 D8 \2 Z: C| , L* d& E, H2 m+ |; R
Shifting Slices Off Center | $ y" @ K2 G& u" U" \6 D
9 T/ @4 K3 l8 o6 ?
Off Center Shift | 2 ^3 t5 x* v, {) t0 T
) h5 G( D) O& `* a/ S+ L4 q. Z; B
Off center FOV |
) f9 R! [. \1 G0 _3 B8 j
- x; ~4 ]7 u4 c! t! y& ?7 U/ {* f| % c+ h) ~- A* ~- w' Y4 } t
Field of View |
+ r1 s l: _* i4 G7 ]& B; F3 {3 x$ r3 M" {7 E( ^# `8 a
FOV |
( ]8 Y5 ?) G5 M
0 s! B- k8 L6 b4 z) v: f FOV |
$ Q$ p0 [0 k# M1 z% V6 b: M% h$ W: E/ ?
- J( U E' ^7 j; R, _9 }| ( B3 z% K) t0 W1 m
Non-square Field fo View |
: D: ^$ s2 n' S
: l" E4 ~- H5 @9 b: e Rec FOV |
% k( R- _$ S* v- h, @8 A( M7 w7 N: I0 b
Rectangular FOV PFOV |
8 U8 q U$ N# n. G3 W! P% x3 }" w( V7 P, l! X( n( x
|
: `. Z. W: a2 m Bandwidth | # U5 O7 z6 X. ^- p/ J1 r
2 O: X1 g* m5 j9 _5 y7 ]. q | t% c, n, E3 T8 @& h/ Q
5 N( X4 E5 N1 `1 H- i2 M7 v
Receive Bandwidth |
# e3 L& W1 e9 E) [( s8 D
: U+ K$ [3 V: Q% F9 C/ s, }|
9 s z m$ N7 w- S9 m" e Variable Bandwidth |
2 u4 ]: `3 h( b3 P6 p
/ n. `" W2 x/ n+ K( r. o } Optimized Bandwidth |
: A/ z/ C+ ], E8 o$ g
" ~3 [/ a4 |! ^5 B9 G VB |
4 m3 g. j1 B' f- h6 V' q- T
4 i2 t5 k2 n+ L' {% E. n! h
| ( Y* r, O# N {4 v
Oversampling in Frequency |
; H# y* m1 o* ]9 u. ]
2 V! @ _- ]5 f+ Z3 ]9 g Oversampling | * g2 m4 X% B3 R1 s' T
0 v6 u+ |3 K6 ~* [& z e' g Always On |
) h+ I2 C$ ]+ J& \6 H6 |
. W" q8 O& o* s4 r1 i3 |8 ~|
' o( k1 g5 @0 w) b Oversampling in Phase |
" r! Y% |- b, U' \- u1 k& a
+ X7 B! S: d- I, X: [4 Z* C: g Phase Oversampling | 7 ]+ g( s D* Z
- h# J4 y1 @4 z- r
No Phase Wrap |
4 u" i* C8 p; @ z- Z; N
4 ]# Z0 b8 Y9 f2 O2 ~% U6 y6 ~$ B9 k
|
; H" t3 ]. L- U# A+ S& E& Q Segmented K-space | * c5 O1 k& k% m* M. C$ t
) e+ \5 y M( s- F0 v
Lines, Segments |
4 G8 `! m. S' n" H* ~. }0 f, u* ]# S5 s+ N$ e1 f3 B
Views per segment |
7 ^7 D3 r" d' U1 t: I" | i% x% [" K: X. @: D; ~+ I
|
$ ?2 j. T% }0 L r) w Time Delay/Block K-space | 1 E9 f2 V' y# a2 k7 T5 o7 R# w
$ g, O1 H4 u) L7 x( V% j Time Delay, TD | / Q4 i+ t$ w- V. e; _2 _
9 a* X7 y$ o% m( s1 F Intersegment Delay |
2 ?/ v' T0 ]. X" v" \/ t8 Z
' O# M4 Z% G9 E0 T0 z|
( U( f# I: P. x* H9 A& } Patient Orientation Scan |
1 k9 \ F1 Y5 |% `& f6 ~' ] c) r& X
1 J s5 ?( Y7 |, o1 ?/ q* A7 C Localizer, Scout | 4 p: ~. z, R4 a9 y, N# G0 p
8 R) H+ F0 [( x+ b Localizer |
. e# m: R! ?; n2 f: O$ i2 y/ l/ |+ f8 c4 `
| * D" V9 m% v) s) [$ V) n/ u6 p% p
Half Fourier Imaging | , B( H% f( {" ]# j7 ~0 I4 X7 }6 p7 B
& W$ M3 Z9 u& J- Z Half Fourier | * A9 n9 Y* W3 U
5 f* E1 \, G8 ^ 1/2 Nex, Fractional NEX |
/ ^0 {; R9 k$ t# T+ {
3 O! l( p* ]- x! b- F( Z5 _
| 1 |! x6 ~7 `9 i2 q. G
Partial Echo | 1 J9 b% M* u3 p# @- l
: ?1 G) J+ z, _7 @" E) v Assymetric Echo | 4 Y; q0 H, q9 N6 e
5 S8 Q* T& h/ b$ O: T3 E: i" T; ^ Fractional Echo |
/ G. N4 k# ^' D4 ^# s* `
( i3 v! k7 O! H1 Y
|
" Y( n0 V: U' s/ i Gradient moment nulling | & k+ h! w* `/ e9 `
6 b( h$ M0 w! f/ [
GMR | 8 P3 ?! C9 `5 G1 A+ B" ?4 N5 W
$ `9 l5 X+ W# F, q/ r" V, ^% {
Flow Comp |
/ n3 @9 W* ]( L' y5 D j; ?$ \: N: m+ L! i+ o$ H
|
# K6 M9 J h+ v1 l9 z* P Prep Pulse - Chemically | 9 P+ C& x" v b: _! o
6 z5 `3 i/ t, V0 w3 R n" a
FAT SAT |
# ^, _4 a( R$ M0 m3 ? H- I" A4 p1 r4 x# P( X
FAT SAT, CHEM SAT |
" n {( p3 M1 N. {' _; y. _: x$ [
: d% V8 a+ g& u0 z; ]
|
7 ]( R) Z$ f1 b! e3 T; d, v$ A+ V Prep Pulse - Spatially |
2 c$ j; u: D6 j, Z8 Z8 b+ T# E2 ^+ l) Z
Presat |
; T2 p7 K- P$ r, `7 q$ B4 l& b; D7 ~" U( Z0 D# t, N$ |
SAT |
+ L( F* R; S2 O4 E* R5 \
7 j2 G5 s! Z% t# A& n: N$ ?. O" E( X" S| + i1 d$ [: ?7 m' z
Moving Sat Pulse |
( n) ?6 w3 b& m* B4 q
) E9 M8 l+ F( D# l$ b' n Travel Sat |
, w# l8 n( c4 w( |( F* G- o. t; i9 j2 o
Walking Sat |
5 I1 ]/ F; `- Q, S# l& I9 d1 _. I' F: [$ {5 e
| , F- E; \" N/ m z ~7 j+ l
Image Sync. With ECG | 1 {: e0 Q+ a! R+ Z: S
7 N4 W& F9 q0 S# r+ c! `
ECG Triggered | & X! h% [8 t) b! C9 d# |
7 U% D6 G5 C6 l6 C! G2 z! U, q! e Cardiac Gated, Triggering |
0 O1 U3 I6 B# @
9 p5 M' k' C& S3 l
|
- u, X. p, y+ ^1 s Delay after R Wave | % x- Z8 m$ c2 Y
6 ]6 x; e; f0 X0 _/ |& }: r
Trigger Delay, TD |
s0 a; S+ S& Y4 }" ^1 j
$ M5 s/ ~! Q, m [: t6 K9 b Trigger Delay, TD |
& j2 x, b" X* t- M! t3 g/ A* b2 R) |+ \+ B7 C' a4 ]' _$ z* p
| 3 r) x6 s5 ?" y9 {& E6 d! j
Respiratory Gating | # h" R9 ]8 I \" @/ v7 L
' K% Y: G0 e! V" z5 J
Respiratory Gated | . x5 k7 }$ F; [5 P4 O5 ^& Y
/ [8 m$ b" g9 F8 c
Respiratory Comp, RC, Respiratory Triggered |
发表于 2009-3-16 22:19:02
