Improving the appropriateness of sudden arrhythmic death primary prevention by implantable cardioverter-defibrillator therapy in patients with low left ventricular ejection fraction. Point of view.

This point-of-view article does not intend to question actual guidelines for sudden arrhythmic death risk stratification, but rather to highlight the potential additive value of a new polyparametric approach to the risk stratification of specific groups of patients with low left ventricular ejection fraction, supported by highly significant published data derived from nonrandomized studies.

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