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Radiology, Vol 132, 703-705, Copyright © 1979 by Radiological Society of North America

ARTICLES

Exercise radionuclide ejection fraction: correlation with exercise contrast ventriculography

TJ Brady, K Lo, JH Thrall, JA Walton, JF Brymer and B Pitt

Thirty-one patients with known or suspected coronary artery disease or aortic valvular disease were studied at rest and during supine bicycle exercise with radionuclide and contrast left ventriculography. The radionuclide ejection fractions calculated independently by three observers correlated well at rest (r = 0.96) and with exercise (r = 0.94). The calculated values also correlated well with those obtained for contrast ventriculography using the area-length method Dodge (r = 0.89 at rest and r = 0.90 with exercise). The results suggest that further clinical applications of exercise radionuclide ventriculography are justified.




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