Gonçalves Pereira, PedroCaseiro, Ana RitaSousa, PauloManaças, Rui2013-05-082013-05-082012-04Gonçalves Pereira P, Caseiro AR, Sousa P, Manaças R. Physiologic effect of caffeine on susceptibility-weighted imaging. In ASNR 50th Annual Meeting, Hilton New York, April 21-26, 2012. E-poster.http://hdl.handle.net/10400.21/2467Susceptibility-weighted imaging (SWI) is a relatively new contrast in MR imaging. Previous studies have found an effect of caffeine in the contrast generated by SWI images. The present study investigates the effect of caffeine on contrast-to-noise ratio (CNR) in SWI.engRadiologySusceptibility-weighted imagingBrain venous systemCaffeineconference object