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Application of a new algorithm in the differential diagnosis of wide QRS complex tachycardia by András Vereckei, Gábor Duray, Gábor Szénási, Gregory T.

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Presentation on theme: "Application of a new algorithm in the differential diagnosis of wide QRS complex tachycardia by András Vereckei, Gábor Duray, Gábor Szénási, Gregory T."— Presentation transcript:

1 Application of a new algorithm in the differential diagnosis of wide QRS complex tachycardia by András Vereckei, Gábor Duray, Gábor Szénási, Gregory T. Altemose, and John M. Miller EHJ Volume 28(5):589-600 March 6, 2007 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

2 Application of the vi/vt criterion. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

3 Application of the vi/vt criterion. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

4 Brief summary of the new stepwise, decision-tree algorithm's use. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

5 The application of the new algorithm. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

6 A WCT due to SVT that was classified correctly by the new algorithm and misdiagnosed by the Brugada criteria. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

7 A WCT due to SVT that was misdiagnosed by both the new and the Brugada algorithms. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

8 Numbers of VT and SVT, true and false positive diagnoses made in each step of the new algorithm. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

9 An example of a WCT due to SVT showing why the aVR criterion might be superior to the old QRS axis criterion. András Vereckei et al. Eur Heart J 2007;28:589-600 © The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

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