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Definition: Obsolete. “Chronic resynchronization therapy” (CRT), which is a device-based therapy with implanted pacemakers that stimulate both the right and the left heart chambers in a synchronized fashion to increase cardiac pump efficiency. CRT has been shown to improve symptoms and mortality rates in some groups of heart failure patients.

Synonym(s): CRT

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.