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J Am Coll Cardiol, 2007; 50:166-173, doi:10.1016/j.jacc.2007.02.069 (Published online 21 June 2007).
© 2007 by the American College of Cardiology Foundation
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Predictive Value of Microvolt T-Wave Alternans in Patients With Left Ventricular Dysfunction

Daniel J. Cantillon, MD, Kenneth M. Stein, MD, FACC1,2, Steven M. Markowitz, MD, FACC, Suneet Mittal, MD, FACC1, Bindi K. Shah, MD, FACC1, Daniel P. Morin, MD, MPH, Eran S. Zacks, MD, Matthew Janik, MD, Shaun Ageno, MD, Andreas C. Mauer, MD, Bruce B. Lerman, MD, FACC1 and Sei Iwai, MD, FACC1,*

Department of Medicine, Division of Cardiology, Cornell University Medical Center, New York, New York.


Figure 1
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  		Figure 1 Kaplan-Meier Survival Curves for Arrhythmia-Free Survival

Stratified by T-wave alternans (TWA) testing result.

 

Figure 2
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  		Figure 2 Kaplan-Meier Survival Curves for All-Cause Mortality

Stratified by T-wave alternans (TWA) testing result.

 

Figure 3
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  		Figure 3 Kaplan-Meier Survival Curves for Arrhythmia-Free Survival

Stratified by T-wave alternans (TWA) testing result and subgrouped by etiology of cardiomyopathy: (A) ischemic cardiomyopathy patients; (B) nonischemic cardiomyopathy patients.

 

Figure 4
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  		Figure 4 Kaplan-Meier Survival Curves for Arrhythmia-Free Survival

Stratified according to both electrophysiology study (EPS) and T-wave alternans (TWA) results. EPS (–) = EPS negative for inducible sustained ventricular tachycardia (VT); EPS (+) = EPS positive for inducible sustained VT; TWA (–) = TWA negative; TWA (+/I) = TWA positive or indeterminate (non-negative).

 




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