MR spectroscopy method

Details MR spectroscopy method MR spectroscopy method

1988-11-21

1990-04-17

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

049183877

ABSTRACT:
MR spectroscopy method and apparatus in which an examination zone is exposed, preferably repeatedly, to a sequence which comprises a first binomial 90.degree. RF pulse, a 180.degree. RF pulse and a second binomial 90.degree. RF pulse which sequence enables separate demonstration of the presence of either lactic acid or lipids in the presence of water. The periods in time between the two binomial RF pulses and the 180.degree. RF pulse are equal and are approximately at least to the reciprocal value of four times the scalar coupling constant of lactic acid.

REFERENCES:
patent: 4532473 (1985-07-01), Wehrli
patent: 4680546 (1987-07-01), Dumoulin
patent: 4801884 (1989-01-01), Oppelt et al.
patent: 4803432 (1989-02-01), Perman
D. A. Lampman et al., Improvements to Volume Selective 'H Spectroscopy With Solvent Suppression--S.M.R.M., vol. 3, pp. 981, 982 (1986).
G. A. Morris et al., Selective Execution in Fourier Transform Nuclear Magnetic Resonance, Journal of Magnetic Resonance, 29, p. 433 (1978).

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