|
|
|
|
LEADER |
03637nam a22004335i 4500 |
001 |
978-3-540-78023-6 |
003 |
DE-He213 |
005 |
20151204140727.0 |
007 |
cr nn 008mamaa |
008 |
100301s2009 gw | s |||| 0|eng d |
020 |
|
|
|a 9783540780236
|9 978-3-540-78023-6
|
024 |
7 |
|
|a 10.1007/978-3-540-78023-6
|2 doi
|
040 |
|
|
|d GrThAP
|
050 |
|
4 |
|a R895-920
|
072 |
|
7 |
|a MMPH
|2 bicssc
|
072 |
|
7 |
|a MMP
|2 bicssc
|
072 |
|
7 |
|a MED008000
|2 bisacsh
|
082 |
0 |
4 |
|a 616.0757
|2 23
|
100 |
1 |
|
|a Chrysikopoulos, Haris S.
|e author.
|
245 |
1 |
0 |
|a Clinical MR Imaging and Physics
|h [electronic resource] :
|b A Tutorial /
|c by Haris S. Chrysikopoulos.
|
264 |
|
1 |
|a Berlin, Heidelberg :
|b Springer Berlin Heidelberg,
|c 2009.
|
300 |
|
|
|a IX, 176 p.
|b online resource.
|
336 |
|
|
|a text
|b txt
|2 rdacontent
|
337 |
|
|
|a computer
|b c
|2 rdamedia
|
338 |
|
|
|a online resource
|b cr
|2 rdacarrier
|
347 |
|
|
|a text file
|b PDF
|2 rda
|
505 |
0 |
|
|a Resonance -- Electromagnetic Fields -- Macroscopic Magnetization -- Macroscopic Magnetization Revisited -- Excitation Phenomena -- T1 Relaxation (Longitudinal or Spin-Lattice Relaxation) -- T2 Relaxation (Transverse or Spin–Spin Relaxation) -- Magnetic Substrates of T1 Relaxation -- Magnetic Substrates of T2 Relaxation -- Proton (Spin) Density Contrast -- Partial Saturation -- Free Induction Decay -- Spin Echo -- Integration of T1, T2, and Proton Density Phenomena -- Inversion Recovery -- Image Formation – Fourier Transform – Gradients -- Gradient Echo Imaging -- Pulse Sequences -- Fast or Turbo Spin Echo Imaging -- Selective Fat Suppression -- Chemical Shift Imaging -- Magnetization Transfer Contrast -- Diffusion -- Artifacts -- Noise -- Imaging Time -- Resolution -- Contrast Agents -- Blood Flow -- MR Angiography -- Basics of MR Examinations and Interpretation.
|
520 |
|
|
|a Keywords Spin › Electromagnetic radiation › Resonance › Nucleus › Hydrogen › Proton › Certain atomic nuclei possess inherent magnetic Let us summarize the MRI procedure. Te patient properties called spin, and can interact with electro- is placed in a magnetic feld and becomes temporarily 1 magnetic (EM) radiation through a process called magnetized. Resonance is achieved through the - resonance. When such nuclei absorb EM energy they plication of specifc pulses of EM radiation, which is proceed to an excited, unstable confguration. Upon absorbed by the patient. Subsequently, the excess - return to equilibrium, the excess energy is released, ergy is liberated and measured. Te captured signal producing the MR signal. Tese processes are not is processed by a computer and converted to a gray random, but obey predefned rules. scale (MR) image. Te simplest nucleus is that of hydrogen (H), con- Why do we need to place the patient in a m- sisting of only one particle, a proton. Because of its net? Because the earth’s magnetic feld is too weak to abundance in humans and its strong MR signal, H be clinically useful; it varies from 0. 3–0. 7 Gauss (G). is the most useful nucleus for clinical MRI. Tus, foC r urrent clinical MR systems operate at low, mid or our purposes, MRI refers to MRI of hydrogen, and for h igh feld strength ranging from 0. 1 to 3.
|
650 |
|
0 |
|a Medicine.
|
650 |
|
0 |
|a Radiology.
|
650 |
1 |
4 |
|a Medicine & Public Health.
|
650 |
2 |
4 |
|a Imaging / Radiology.
|
650 |
2 |
4 |
|a Diagnostic Radiology.
|
710 |
2 |
|
|a SpringerLink (Online service)
|
773 |
0 |
|
|t Springer eBooks
|
776 |
0 |
8 |
|i Printed edition:
|z 9783540779995
|
856 |
4 |
0 |
|u http://dx.doi.org/10.1007/978-3-540-78023-6
|z Full Text via HEAL-Link
|
912 |
|
|
|a ZDB-2-SME
|
950 |
|
|
|a Medicine (Springer-11650)
|