title: Heart failure and tachycardia-induced cardiomyopathy.
abstract: Congestive heart failure is a major health care concern affecting almost six million Americans and an estimated 23 million people worldwide, and its prevalence is increasing with time. Long-standing tachycardia is a well-recognized cause of heart failure and left ventricular dysfunction and has led to the nomenclature, tachycardia-induced cardiomyopathy. Tachycardia-induced cardiomyopathy is generally a reversible cardiomyopathy with effective treatment of the causative arrhythmia, either with medications, surgery, or catheter ablation. Tachycardia-induced cardiomyopathy remains poorly understood and is likely under-diagnosed. A better understanding of tachycardia-induced cardiomyopathy and improved recognition of its presence in clinical practice is vital to the health of patients with this disorder. The goal of this review is to discuss the pathogenesis and clinical manifestations of tachycardia-induced cardiomyopathy, as well as approaches to its diagnosis and treatment.
authors: Harvard Medical School, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA, 02215, USA, eellis@bidmc.harvard.edu.
authors: Ethan R
authors: ER
authors: Ellis
authors: Mark E
authors: ME
authors: Josephson
mesh_terms: D000818:Animals; D016757:Death, Sudden, Cardiac / Q000209:etiology; D004195:Disease Models, Animal; D006333:Heart Failure / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D011379:Prognosis; D012008:Recurrence; D013610:Tachycardia / Q000150:complications* / Q000175:diagnosis / Q000503:physiopathology; D018754:Ventricular Dysfunction / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology
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