PVC induced cardiomyopathy: Difference between revisions
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== Historical perspective == | == Historical perspective == | ||
In 1998, a study demonstrated that treating patients with frequent [[Premature ventricular contraction|PVCs]] ( > 20,000 per day ) and ventricular dysfunction with [[amiodarone]] could significantly improve [[Ejection fraction|LVEF]].<ref name="pmid9581582">{{cite journal| author=Duffee DF, Shen WK, Smith HC| title=Suppression of frequent premature ventricular contractions and improvement of left ventricular function in patients with presumed idiopathic dilated cardiomyopathy. | journal=Mayo Clin Proc | year= 1998 | volume= 73 | issue= 5 | pages= 430-3 | pmid=9581582 | doi=10.1016/S0025-6196(11)63724-5 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9581582 }}</ref> This result led to the initial assumption that frequent PVCs might cause a reversible form of cardiomyopathy and thus, the concept of PVC-induced cardiomyopathy as a separate entity was formed. | |||
== Pathophysiology == | == Pathophysiology == | ||
Revision as of 14:09, 6 April 2018
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Historical perspective
In 1998, a study demonstrated that treating patients with frequent PVCs ( > 20,000 per day ) and ventricular dysfunction with amiodarone could significantly improve LVEF.[1] This result led to the initial assumption that frequent PVCs might cause a reversible form of cardiomyopathy and thus, the concept of PVC-induced cardiomyopathy as a separate entity was formed.
Pathophysiology
Causes and risk factors
Natural history, complications, and prognosis
History and symptoms
Physical exam
Electrocardiogram
Echocardiography
Treatment
References
- ↑ Duffee DF, Shen WK, Smith HC (1998). "Suppression of frequent premature ventricular contractions and improvement of left ventricular function in patients with presumed idiopathic dilated cardiomyopathy". Mayo Clin Proc. 73 (5): 430–3. doi:10.1016/S0025-6196(11)63724-5. PMID 9581582.