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. 1993 Feb;29(2):273-6.
doi: 10.1002/mrm.1910290220.

Endogenous susceptibility contrast in myocardium during apnea measured using gradient recalled echo planar imaging

M F Wendland  1 , M Saeed, K Lauerma, A de Crespigny, M E Moseley, C B Higgins
Affiliations

Endogenous susceptibility contrast in myocardium during apnea measured using gradient recalled echo planar imaging

M F Wendland et al. Magn Reson Med. 1993 Feb.

Abstract

Gradient recalled echo planar imaging was used to monitor changes in myocardial and left ventricular chamber blood intensity during apnea in rats. Significant signal loss in both blood (to 62 +/- 5% and 51 +/- 6% of baseline) and myocardium (to 79 +/- 2% and 76 +/- 3% of baseline) was observed at 45 and 90 s apnea while O2 saturation decreased from 98 +/- 1% to 62 +/- 7% and 36 +/- 9%, respectively. These results show that myocardial intensity is modulated by alterations in blood oxygenation.

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