A. J. S. Rayl | Mar 19, 2000 | 7 min read
Courtesy of National Heart, Lung, and Blood InstituteMRI scans of the heart: upper left, torso with heart; upper right, cross section at aortic valve; lower left, lateral view of heart, pulmonic valve, and descending aorta; lower right, four-chamber view In the not too distant future, emergency rooms may well take on the aura of Star Trek's hospital bay. New, state-of-the-art magnetic resonance imaging (MRI) machines offer fast, efficient, and highly detailed data, allowing physicians to make im