1990•Journal of the American College of CardiologyOpen access

A simplified method to determine regurgitant fraction by Doppler in patients with aortic regurgitation

Gong‐Yuan Xie, Rita Pinton, Thomas Wisenbaugh, David T. Booth, Oi Ling Kwan, Mikel D. Smith, Anthony N. DeMaria

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Key concepts: Medicine, Regurgitation (circulation), Regurgitant fraction, Cardiology, Internal medicine, Doppler effect, Doppler echocardiography, Ejection fraction