What is the role of echocardiography in the evaluation of ventricular tachycardia (VT)?

Updated: Dec 05, 2017
  • Author: Steven J Compton, MD, FACC, FACP, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Answer

Echocardiography is used for patients at high risk for serious ventricular arrhythmias or sudden cardiac death. In particular, echocardiography can provide an estimate of left ventricular (LV) systolic function, and the presence or absence of associated LV wall motion abnormalities commonly indicative of a prior scar. Echocardiography may also show findings suggestive of a myocardial infiltrative process. Imaging of the right ventricle (RV) may be more limited, and other imaging techniques may be required to obtain accurate and global views of RV function. The high-risk group consists of patients with any of the following [40] :

  • Dilated, hypertrophic, or RV cardiomyopathy
  • A history of acute myocardial infarction
  • Inherited disorders associated with sudden cardiac death

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