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Radiology, Vol 170, 357-361, Copyright © 1989 by Radiological Society of North America

ARTICLES

Gated cardiac MR imaging and P-31 MR spectroscopy in humans at 1.5 T. Work in progress

TM Grist, JB Kneeland, WR Rilling, A Jesmanowicz, W Froncisz and JS Hyde
Department of Radiology, Medical College of Wisconsin, Milwaukee 53226.

The authors describe a technique to acquire gated cardiac proton magnetic resonance images and localized hydrogen-1 and phosphorus-31 spectra with a doubly tuned surface coil probe. The probe reduces study time because the need to exchange imaging and spectroscopy coils is eliminated, while at the same time the sensitivity of singly tuned coils is retained. In addition, the probe enhances the ability of the investigator to localize cardiac spectra spatially and temporally during the cardiac cycle. Spectra were acquired from the left ventricular myocardium in five volunteers, and systolic and diastolic gated P-31 spectra were shown.


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