Management of ventricular arrhythmias
A trial-based approach
Patrick J. Welch, MDa,b,
Richard L. Page, MD, FACCa,b and
Mohamed H. Hamdan, MD, FACCa,b
a Section of Clinical Cardiac Electrophysiology, Department of Internal Medicine (Cardiology Division), The University of Texas Southwestern Medical Center, Dallas, Texas, USA
b The Dallas Veterans Affairs Medical Center, Dallas, Texas, USA

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Figure 1 Kaplan-Meier survival curves for post-MI patients cross-classified by ejection fraction (EF, <30% or over) and presence or absence of nonsustained VT. (Reprinted from American Journal of Cardiology 1986;58:115160, with permission from Excerpta Medica, Inc.)
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Figure 2 Survival without subsequent arrhythmia in patients with coronary artery disease and nonsustained VT, who had negative electrophysiology studies. Adapted from references 2123 and 50.
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Figure 3 Arrhythmic events in patients with coronary artery disease and nonsustained VT who had positive EP studies. The patients with non-EP-guided therapy often had persistently inducible VT after one or more drug trials. Adapted from references 21, 23 and 50.
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