Short echo NMR imaging of sodium

Details Short echo NMR imaging of sodium Short echo NMR imaging of sodium

1987-08-13

1989-02-07

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

048034320

ABSTRACT:
An NMR pulse sequence includes a nonselective RF excitation pulse followed by one or more nonselective echo RF pulses which produce NMR echo signals at echo times starting at TE=2.5 milliseconds. This short echo time enables paramagnetic nuclei having short T.sub.2 relaxation components, such as sodium.sup.23, to be measured and imaged. Presaturation pulses at the beginning of the NMR pulse sequence serve as an alternative to slice selection.

REFERENCES:
patent: 4409550 (1983-10-01), Fossel et al.
patent: 4506223 (1985-03-01), Bottomley et al.
patent: 4715383 (1987-12-01), Ehman

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