MAGNETIC RESONANCE IMAGING (MRI) SEQUENCE PARAMETERS


Below are the most common (and approximate) acquisition parameters for frequently used MRI pulse sequence values (in msec).


--T1
TR: <800
TE: <30
flip angle: 90°

--PD
TR: >1000
TE: <30
flip angle: 90°

--T2
TR: >2000
TE: >80
flip angle: 90°

--FSE T2
TR: >2000
TE: >60
flip angle: 90°

--GRE T1
TR: variable
TE: <30
flip angle: 70-110°

--GRE T2*
TR: variable
TE: <30
flip angle: 5-20°

--STIR
TR: >2000
TE: >60
flip angle: 180 -> 90°
inversion time (TI): 120-170

--FLAIR
TR: >3000
TE: >80
flip angle: variable
inversion time: 1700–2200






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