VENTRICULAR ARRHYTHMIAS IN NORMAL HEARTS - 05/09/11
Résumé |
Idiopathic ventricular tachycardia (VT) once was considered an undifferentiated diagnosis, with little appreciation given to the distinctions that characterize its multiple subtypes.9 More recently, idiopathic VT has been classified with respect to the ventricle of origin, the response to pharmacologic agents, evidence for catecholamine-dependence, and the morphologic features of the arrhythmia (QRS configuration and axis and whether repetitive, nonsustained, or sustained). A more mechanistically oriented classification also has been developed and is summarized in Table 1. As indicated in the table, the response of the arrhythmia to programmed stimulation and to adenosine, verapamil, and propranolol differentiates nearly all forms of idiopathic VT.
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| Address reprint requests to Bruce B. Lerman, MD, Division of Cardiology, Starr 4, The New York Hospital-Cornell Medical Center, 525 East 68th Street, New York, NY 10021, e-mail: blerman@mail.med.cornell.edu This work was supported in part by a grant from the National Heart, Lung and Blood Institute (R01 HL56139) and the Michael Wolk Heart Foundation. |
Vol 18 - N° 2
P. 265-291 - mai 2000 Retour au numéro
Article précédent
- APPLICATION OF NONINVASIVE AND INVASIVE TESTS FOR RISK ASSESSMENT IN PATIENTS WITH VENTRICULAR ARRHYTHMIAS
- Britta Windhagen-Mahnert, Alan H. Kadish
- MANAGEMENT OF POSTINFARCT VENTRICULAR TACHYCARDIAS
- John M. Miller, Mark A. Coppess, Gregory T. Altemose, Giselle Gervacio-Domingo, Luis R. Scott
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