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Prognostic significance of low frequency power (LFP) in heart failure. Reduced LFP (⩽ 13 ms2) was associated with increased risk of sudden cardiac death in patients with heart failure. On multivariate modelling, reduced LFP and frequent ventricular premature beats (> 83/hour) were the two independent predictors of sudden cardiac death. Reproduced from La Rovere et al,58 with permission.
