03 relajacion longitudinal
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Transcript of 03 relajacion longitudinal
THOME
nuclei, protons and spins
longitudinal relaxation T1
transverse relaxation T2
excitation and relaxation
relation between T1 and T2
signal generation
THOME
longitudinal relaxation T1
Spin - lattice relaxation
signal generation
THOME
X
Y
ZBo
Mo
time
Mz
signal generationlongitudinal relaxation T1
THOME
time
Mz
X
Y
ZBo
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
time
Mz
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
time
Mz
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
time
Mz
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
time
Mz
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
time
Mz
signal generationlongitudinal relaxation T1
THOME
time
Mz
T1
definition T1:
the time that a tissue needs to regain 63% of its original magnetisation
63%
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
Mo
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
X
time
S
time
Mz
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
X
time
time
Mz
S
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
X
time
time
Mz
S
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
X
time
time
Mz
S
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
X
time
time
Mz
S
signal generationlongitudinal relaxation T1
THOME
X
Y
ZBo
X
time
time
Mz
S
signal generationlongitudinal relaxation T1
THOME
nuclei, protons and spins
longitudinal relaxation T1
transverse relaxation T2
exitation and relaxation
relation between T1 and T2
signal generation