Severe frequent ventricular ectopy after exercise as a predictor of death in patients with heart failure
James O. O'Neill, MB,
James B. Young, MD, FACC,
Claire E. Pothier, MA and
Michael S. Lauer, MD, FACC*
* Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, Ohio

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Figure 1 Kaplan-Meier analysis of survival according to the absence or presence of nonsevere frequent ventricular ectopyor severe frequent ventricular ectopy during recovery after exercise. VEA = ventricular ectopic activity.
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