% w6 N, y& J% H. l" T( L& ^# E) j! V! g/ k/ l
|
) O6 W8 Y9 o- m/ a" k4 ?3 Y Pulse Sequence |
/ |/ B" r9 Y0 I& i) M4 t' e% K/ h0 b' H1 x4 O( ~
Siemens |
) Q% u$ P3 {9 v7 g
; w1 a6 U) {0 l2 R. R GE |
4 ^. m: ]4 m) c: S- T1 \# R& Z
. p: x6 I3 i9 d: t| , @" \$ H+ I4 J7 Q; N% c3 q. C
| & w& I, s9 D; M0 V
' p+ D' g/ L9 ?& ^! b5 g5 l
|
+ @' s- c. T2 m0 b
% s% n$ J! j0 B, t; P |
1 t9 A& K0 Q. ^1 X( @! g' [4 I
* W/ n: [9 Z1 f# v| # ^! b/ i6 a7 e0 {' o% \0 ?$ G
Spin Echo | - Y- l- P' C9 Q$ s# `
" F g$ D9 }$ f- C Spin Echo, SE | 5 ~+ [9 m+ M% J% ^( |* N
$ j0 \9 ?3 H+ h, J8 {
Spin Echo |
! n, D ]5 C, w2 c
# f" ~0 \/ a$ F. g; v. q: r$ S5 B( Q| / f7 G0 {( e/ E" q. c3 G) v
Gradient Echo | / l: E7 }4 I5 K; j
' n8 E* X' e( w& ~, W8 H0 \; r3 E Gradient Echo, GRE |
% f* ~ j; O2 ~# ^0 h9 T/ l, V2 _1 s
GRE, GRASS |
' `9 D# ~) r$ |7 C$ N4 J& v
! i' E; w. |( q/ [) E2 `9 s9 X| % ]& e/ B% o/ \
Spoiled Gradient Echo |
$ Z9 {! V% B2 i
) W2 L& T& r, f; C+ D FLASH | $ h( Z& w) \$ R& H, d2 X* z
3 o$ f' K6 e X7 _. F5 f/ k SPGR |
1 d0 f) i7 _$ u* f3 v8 m
- t# y6 z% E8 J ^* V| ! i& R4 O8 a# g! Q0 i1 F
Steady State Free Process | 5 X! ?" L! T# ?. F
$ |$ d- ?6 ?- K: z
TrueFISP |
% |( h2 F5 T$ p. a5 \ c& H8 @+ l7 T+ \5 F
FIESTA |
2 o; u4 @: A3 N4 \
8 C: w3 x' Z1 N2 B( C) ?; e, ~| 4 e% u$ U8 B1 F' ] Y$ f$ a
Ultra Fast Gradient Echo |
* \8 T: y# o l6 g# ^+ E7 A( C$ b3 Z x* w4 T4 g- S# [2 c# ^
Turbo Flash | - v8 {" j% e" ^* f- h
N2 ?8 V! T1 X9 e Fast GRE, Fast SPGR |
; L6 d/ N) c" d9 b1 ~: g Q# |1 ^9 b8 v7 j4 Q# ~, ]" b+ p- l
|
4 O) |0 U( p3 S% ~2 ? m. i- T 3D Ultra Fast |
! L8 T1 F0 o! j8 {" a& I3 j) K/ c, k3 R% J0 M8 I z
MP Rage |
/ t& o- Z8 M; f- Z6 B& D2 ]' `
* c- T# _8 E8 a1 N" X5 X# F3 m8 J 3DFGRE, 3D Fast SPGR |
% F: `" p: ~- l8 D( ]% M0 r6 F
! P' H! o: Y1 n6 D' f4 N3 B6 \4 D. I|
$ A$ n$ o7 K, S; C/ c Inversion Recovery | 9 j+ S- f3 ?' d8 ~
7 N9 G$ A. Y" [3 r. |
IR, TurboIR, TIR |
% @5 J. K* Y6 p5 b+ [; V E2 m# W( V5 p. R' E3 Y) y1 J& A. P; q8 N
IR, MPIR |
% i6 E9 S8 m R) U Y
/ ^& b8 D- R* P9 @' l% U| ! ]+ r2 r# C1 M7 _! r3 ^
Short tau IR |
* n. o6 L3 m; C8 J" ?* Z, K! O$ Y7 r$ E9 ~
STIR |
" s9 D5 [/ k: ?8 A7 \. B# D
/ H% Z9 }. n+ ~, I/ R5 N STIR |
D6 M6 _) x2 i* F( L7 G' ~9 v
+ O1 [' f( t7 t' {|
- W( \0 M6 D( p0 ~3 o5 c& y+ J8 u RARE Sequence Rapid Acquisition Relaxation Enhancement | 8 P6 ^' L5 |3 D7 S' L+ }- \
. k8 J/ w% A! h Turbo Spin Echo, TSE |
- P; Q& e; m$ v6 s7 ?- }% y% ]5 a- L# z2 _ C) p
Fast Spin Echo |
: \- A) S2 \; s+ x
. c' j) K2 P$ |4 q+ a4 w| * o& S5 [1 I, x u; q: O
Gradient and Spin echo |
. |: B' _' [7 Q" u6 k6 E, K" c+ X
" X c7 }% I5 C1 Z1 g3 x Turbo GSE, TGSE |
* O q. m4 e/ x# {: ?3 A' c8 E9 V
GRASE |
4 @5 w& O P; D
) j; s* B4 S3 a( z8 r| 1 Q7 [" _+ d9 n
Parallel Imaging | ! |( _: Z4 d& J0 k
9 I0 Z' e7 O% @ IPAT | & V, @# g3 \3 V; Y
( [2 }% U2 q: }( k! B! t7 x2 E3 o
ASSET |
3 V/ U# g& J6 H7 B
9 n) c! s: x' F* `' t* L# Z
| 5 v: h0 J+ }: D8 k4 o& W
Flow Velocity Encoding |
; t( Z6 `! q$ }; l; O
6 v, q" _! u6 p Q$ k$ r; y Phase Contrast |
( J' |6 O" t2 ?+ q7 `- L+ ]9 s; F5 r2 p- a
Phase Contrast |
1 r( L# _6 L6 p6 ^) E" {; v
1 t f1 }5 m% P* ~ K( R0 l|
6 |1 }( A: N. F$ d Half Fourier Single Shot Turbo (Fast) Spin Echo | 0 j J' v# y0 D# M g
2 W) J7 P- T( f; |, q
HASTE | 2 ~, M6 ^* \+ R7 K# h+ g2 y( l
; I# O- K! w$ W4 o SSFSE |
$ o y) t2 D1 Y. E- E3 _
9 a- V {9 u! g) b+ _5 g% h/ q| 8 Q5 Y$ G0 m) x' N' H
Cine Study (cardiac) |
8 f. S; w. V. ` |( {1 h" a ]- b& b' d$ j; f
CINE FLASH |
: j0 S4 D. A% f3 {6 z1 N; ?& t, E4 ^" m$ j. @ U9 {$ V
Cine, FASTCARD |
7 T0 b* G2 @$ L' h7 v4 G* y! ~
7 E; y$ P& ?' D, [% X1 K" y2 |1 ^| , B$ @# f% y* K! R/ R" G( m, J
Spin echo black blood (cardiac) | - j/ I; s* f7 P$ Q. _
# q: F6 C4 ?( x8 j" Y dark-blood prepared TSE, HASTE, FLASH |
. s8 B0 x; @3 U e' T, g8 [2 P" Z1 f- K+ t
, e- U- k. w' _" D+ l Double IR FSE, FSE-XL with Blood suppression |
5 Z- I# b" ~) ?2 `( w
" _5 }: J: O, k- B1 r' L2 D; b {|
' ~- @, p" [: e3 Y% |" |8 N Spin echo black blood null fat (cardiac) |
+ z2 q4 A* {# W- ]( |3 A9 {( e' K2 ~) @9 ]3 s7 ]; h( d
TRIM | q% _6 H0 j' ~; q
+ x( D r) t% U2 e' |7 f3 W
Triple IR FSE, FSE-XL IR with blood suppression |
% V5 @% m( M5 \7 B0 M, w( T' N2 u
- \* U. G* h1 Q& Q/ e. {9 t
| 1 t2 u6 w! V$ H2 y7 W1 G5 u6 ^
Viability imaging (cardiac) | ) y* A4 E+ J9 W3 [9 A- e
3 n% r% ^; O: e1 E Segmented 2D TurboFLASH |
+ m: g9 B$ z$ R' j: \+ @% l. U7 A, L- M: a5 C2 S1 S }
Myocardial Delayed enhancment (MDE) IR Prep Gated FGRE |
9 H# c* C# ]9 Z1 `: K% x1 C5 g
, K# H! J( C0 l+ h/ h. q$ D|
/ ? t8 z+ T; a! O! B Myocardial perfusion (cardiac) | 5 ^ {' X* q3 K F e9 r9 }1 C
& k. |3 O, U0 E" x
2D TurboFLASH, SS TrueFisp sat or Ir, gre-epi | # y1 x1 s: ?2 V6 |
8 y3 E! W. e9 Y" S1 p; Q+ f
FGR-ET multiphase |
5 g+ q) Y3 f, i( i
# B/ i3 O6 I( i* i4 \, V|
2 y# L M1 \% s0 [' o: E* S Scan Parameters |
% n* ^* k9 B7 `: C: G* p' J0 d$ |! e( n; O+ \( {
| % z/ v# Q, Z. T& C9 S
( O+ K! L4 {7 ~) @$ d2 V* @ |
# w8 W7 [1 y( d/ `% k2 Y6 y$ n
. m% p% Y7 z. r) C0 C z! }. E! ]|
' M; d6 b% b4 s6 Y$ i$ s1 G; v* J Echo Time, Repitition Time |
$ {- e! ?; V, ~ w. z- [4 R- Z
+ U0 N3 D4 G$ V" F TE, TR in msec |
# v# e! H: o- e" T' L' K4 }9 `6 ?: Z- x
TE, TR in msec |
! U- K+ l& U+ [0 l- D, ?
$ z; i6 n) O, I% Z/ L|
7 g: i$ i, e' J7 B6 s0 B* Q9 Y Inversion Time | 5 R5 Y, j7 P: ], {
7 {! s+ l2 X$ H$ i4 E
TI in msec |
# t0 @& W- y8 k: S9 V ]: L$ u8 @0 M$ ]3 ~
TI in msec |
% a' g* J! g- X( Z
$ Z7 x; x( f+ p+ W) Z* w5 y|
! M% X# T$ B& S # of echos per TR |
( b& [- K1 X. Y: K" q
" v$ k; B1 P# g/ a/ T Echo Train Length, ETL, Turbo Factor |
* d9 e0 z7 Z1 w- A
, X# B* W) j# a1 X& j3 Y4 v ETL |
, f6 ]6 {7 N {8 r& z' _' \9 J* P- K
* Q. W2 y' I [9 L+ D X3 ? W| # W9 z5 B1 ^4 Z' D6 X2 y' @
Time between echos |
8 \9 d; i1 C3 A
# F' S' Y" F B' {- z+ Q Echo Spacing |
$ F* M. p' n: C0 F) h/ B
# I2 o' _! X0 G& f9 t Echo Spacing |
. I9 ` T& u& N4 r/ ]5 B. Y* M
5 _! V$ v& ~+ A m4 y| # y5 t c5 F$ b% V9 ?) z) p. q; j
Repeated Measurements |
1 p( R4 Q7 X$ U
9 X/ U; y9 d, Z. y4 N Acquisitions, Number of Averages |
2 h4 H$ |9 c0 g! J0 G' B# m
* W" r: U( p1 }" _$ f8 [! W NEX |
. y' ?7 ~, G! A) U! b7 U
+ ?8 o) Q3 ~( ?0 j' C U; W
| 3 ~6 r! v# W# i0 ]
RF Pulse in Gradient Echo | ! F E- w1 G; ^6 w; c
( z+ ^4 \5 M: Y8 j/ T Flip Angle |
: n% T- u( `- U8 D# a' L4 Z/ l' h1 I1 s0 |7 b0 x; n/ f1 M( c
Flip Angle |
6 P7 {+ b: b H, b r$ m9 G2 H
5 a7 J* W7 U3 h| 3 g( K& D0 G4 h: ~8 \
Scan Measurement Time |
$ b4 P1 w" @7 |8 I, O9 N6 ?/ e& I/ ~3 Y, t( M9 `
Acquisition Time, TA |
. R& q: k& u7 l, D" F8 ^: v9 {- \
( W- T/ S. [9 K3 o Aquistition Time |
4 F5 F, A2 f: |2 t' V
" ~- P0 X# m% ~| \: M3 x" ^, C# p, Y
Spacing between Slices |
4 |3 Y* q) e, {' T& Z* ?. }
) R$ u, ]; v) A( z6 W Distance Factor, In% |
3 J9 V; J; E3 p! T
+ V# w! j1 _6 ]( g6 g" M- x. a Spacing |
' q, q$ V6 H: R' U2 J
$ ^# ]$ u. [, r' s* K L
| 6 l* \( Y* L" I9 a8 p, C8 F1 j0 E
Shifting Slices Off Center | - h+ `% ~( y9 P6 l- n4 J, v
/ D! z a/ L+ X; c8 `
Off Center Shift | 0 L; _; `2 m$ _# G( C$ b$ J, p+ d
) O) {5 S5 z* H, {9 H' d
Off center FOV |
; v7 R d/ G6 X8 K+ H# P- E* A7 }6 X( V$ N2 T0 T# d- l8 A
| # B; |# K |4 x5 o* p+ W6 o9 D
Field of View |
- l: v& f$ F' y1 R0 e& y$ e! K: `! N# i" n5 z% W, R
FOV | ) @4 k8 N. R' k' g( }' \7 b
+ d; W) K! p% U6 Z1 [0 E1 f FOV |
: G! Y9 j% |8 S2 j6 P2 Y9 R
1 j+ e7 ~0 b |- U
|
+ {( K: {6 K) b0 w5 T Non-square Field fo View | # F/ ^+ H0 N) {
2 S9 p8 ^ u) g- R H
Rec FOV | * D3 q- y. s' b$ f
( T* a0 J; o p. @3 x$ G' a2 x
Rectangular FOV PFOV |
; H' J0 a$ f) S/ A; u
& B2 s, i. p; T9 q|
; x; X% u8 O0 R/ I Bandwidth | }! J# @+ u/ m& I
' b; s6 b- e, g3 Z2 X& w
|
1 |( W5 O8 c4 \, t0 }+ j# c3 ?: L1 |3 ?
Receive Bandwidth |
* u0 \2 l' [& G( W- [" f
' u5 [+ M- `) f1 _: I
| , y0 o) S& e* ~, b" `
Variable Bandwidth | 2 u$ h; M J! Z8 L2 E4 R$ q- u. y; w
2 C9 X2 f1 }6 A9 i4 s Optimized Bandwidth | ]" S/ Q8 V, G* v, ~+ b" s4 K X
$ c* f! t5 h- H VB |
" [# R$ W4 ]7 T/ C0 j; u' n
" N# x, ?. G$ t' C* b1 Z5 O|
" J' V# u9 F5 ?& D- q! Q Oversampling in Frequency | 2 G' E! o; m/ k5 ]' X
- J- D+ M, t: ^% c/ o
Oversampling | ! r& @% r' ]* x/ K6 w
5 Z# \$ e1 h7 n. m Always On |
- S2 J9 O* G9 a0 n) ?! v4 d' `( ?. ~
| # H* S0 j% O/ u: \* |
Oversampling in Phase |
' n+ d2 K# n3 L( K
. \- O# g( k: a Phase Oversampling |
) O N$ b3 m a: I8 ?
" D) x7 j+ v. S8 |: U5 p/ G9 N: ~ No Phase Wrap |
/ O& R; Z0 C( ^ k
' ?5 T. ~: ^( z" l9 D+ H$ z0 U| 6 n# `0 j* i* ]
Segmented K-space | 9 R6 E* \- V; M3 U |' j6 t
0 L! j8 T5 A9 S& X6 ]/ u
Lines, Segments |
$ P( V& y4 }5 h1 ~& { u- g7 s3 l" X( R
Views per segment |
6 q# s6 m" x" i7 d) {$ p5 ~
3 b% O; A& E: d" E9 I$ b) U|
7 {: z8 e/ }% r; d# m+ K9 R2 i Time Delay/Block K-space |
0 U1 z" h, U6 w: x3 y& E
u% n. }; K+ D( Q5 F; \& Z Time Delay, TD | ) g& {' r2 B6 }) s) T6 R k9 l
( y5 |( `% M: v3 t" ~ Intersegment Delay |
* i$ _3 q/ R' b, ?
) P. T4 p, ?/ D. e! S2 H| : T+ ?5 w6 _- \! D9 t. r) t
Patient Orientation Scan |
. n4 t7 u' k6 ^4 q" _' F. P/ ]
$ D b- T/ m& j# |5 W& L Localizer, Scout | & a& E5 E( f2 j* S1 V
9 N2 T' o& b3 ~6 s! Y Q l
Localizer |
8 N6 W. e; V+ l: f j
% p7 A+ R& q I4 p
| 3 B j5 B' G7 V. a* s" Q" t
Half Fourier Imaging | & X, t/ F% r! j: U) H9 E
0 ~1 w) b) \# N2 T/ Q Half Fourier |
' o$ ~2 x4 s& {2 z9 }
. o7 O; {+ g9 C 1/2 Nex, Fractional NEX |
- q0 q6 G5 T+ o" W. T
: Z; m2 p6 V! F! ~, c" ]| # w$ k6 W* r! _* a( A, E( m
Partial Echo | ( [4 N# r' x3 Y/ z1 K* `
) ~+ q! Z% z9 F1 W
Assymetric Echo |
9 n% e) o1 A2 a* y4 ^ Q. A! P# s8 D6 w( \- C; F4 |- H5 x5 V# S
Fractional Echo |
3 w ~) @9 n) z7 N) r0 w. `5 h
* E7 ^2 y5 d- K4 i; G|
4 v: m1 ~5 \2 G+ u9 N Gradient moment nulling |
8 H; G. o: j+ a2 `1 F9 A
6 F% J- c8 O6 u9 }( e9 B GMR |
1 t8 p A4 |% Z( C3 ^! a7 L" @/ r# d- P. P( l* `/ N1 ], U
Flow Comp |
' I. U* A9 ?! ?; x' s
) ?- b8 E0 C4 [4 L9 Q" |. Z
|
* p i& f* {: p; q) z Prep Pulse - Chemically | # c# N2 K, _ T j! H( W/ X5 i; d& w
, I( K S& G, I% ]1 D/ w FAT SAT | " U1 a9 r& N; s
, S! |6 l: U$ f" s* r7 Q5 t FAT SAT, CHEM SAT |
0 A; J% _6 N ^( ~ [3 V
1 i/ }( n- f4 H|
$ S$ Z( z& s o9 p. g6 y: ] Prep Pulse - Spatially | % [2 W C2 S* ^* C i' T+ r
5 ~* [* ]0 E* j! S& ^6 K
Presat | 4 O5 W) u {8 w/ |) t2 F4 h5 V: B d ~
1 R7 w# F% ], |, _9 c6 I
SAT |
, U' r* m: ^/ J' o5 a9 O( R
. N+ _8 f0 N- V0 T|
! [7 a; ?- G3 x% i6 p% u Moving Sat Pulse |
3 G: ~, v! t% h: f% q+ k* P a) G# T$ z4 k* G) [3 s2 c
Travel Sat | 2 j: \) M6 b4 r$ f, N5 V1 ^
0 s3 ] A: [" F" u: ~: y1 }% `
Walking Sat |
$ ?- c0 f' K; t/ W7 a
# }2 h9 t* w! g& g* A6 ~& V|
+ {! V' M& h) s/ K/ o# O1 z9 _ Image Sync. With ECG | " h# ~7 }' w3 K" U
1 Y# v3 o) }8 e6 A3 S- C ECG Triggered | ) ?% y4 n1 T5 D0 j
- Y- E0 b: T% f0 D" X0 K Cardiac Gated, Triggering |
- L }: r- Y6 s8 u7 X: x
$ ?3 ?4 P8 M6 o( D3 h| Y+ {& J$ O0 ^9 N) H
Delay after R Wave | 6 W* ]& x- l$ ?3 }
- `) J- U3 ]1 l# U Trigger Delay, TD | 7 l0 r- f: W$ x! `+ B. b9 u
9 R& Z, N p1 F* F
Trigger Delay, TD |
2 O/ h, v' v+ L+ ^
4 p5 W2 C: ~* d* i( U- k4 j) e
|
; H* m, ?. I( B3 k2 t4 h7 e8 ]5 I Respiratory Gating | 5 s5 g) a% `5 V; p
4 m/ @2 g5 l% } Respiratory Gated |
$ U0 i. a- i) {4 j9 z- |# t
0 q( j4 n& q: L Respiratory Comp, RC, Respiratory Triggered |
发表于 2009-3-16 22:19:02
