Noninvasive estimation of left ventricular filling pressure by e/e' is a powerful predictor of survival after acute myocardial infarction
Graham S. Hillis, MB, ChB, PhD*,
Jacob E. Møller, MD, PhD*,
Patricia A. Pellikka, MD, FACC*,
Bernard J. Gersh, MB, ChB, DPhil, FACC*,
R. Scott Wright, MD, FACC*,
Steve R. Ommen, MD, FACC*,
Guy S. Reeder, MD, FACC* and
Jae K. Oh, MD, FACC*,*
* Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota, USA

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Figure 1 Transmitral Doppler (top) and tissue Doppler (bottom) imaging of the mitral annulus. The mitral E-wave velocity is 80 cm/s, and the early mitral annulus e' velocity is 8 cm/s, giving an E/e' ratio of 10.
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Figure 2 Kaplan-Meier plot demonstrating survival in patients classified according to an E/e' ratio of 15 or >15.
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