The DOI matches its Crossref record; 26 of the 28 references it cites were found in a registry or an index.
New algorithm using only lead aVR for differential diagnosis of wide QRS complex tachycardia
Abstract
Background We recently reported an ECG algorithm for differential diagnosis of regular wide QRS complex tachycardias that was superior to the Brugada algorithm.Objective The purpose of this study was to further simplify the algorithm by omitting the complicated morphologic criteria and restricting the analysis to lead aVR.Methods In this study, 483 wide QRS complex tachycardias [351 ventricular tachycardias (VTs), 112 supraventricular tachycardias (SVTs), 20 preexcited tachycardias] from 313 patients with proven diagnoses were prospectively analyzed by two of the authors blinded to the diagnosis. Lead aVR was analyzed for (1) presence of an initial R wave, (2) width of an initial r or q wave >40 ms, (3) notching on the initial downstroke of a predominantly negative QRS complex, and (4) ventricular activation-velocity ratio (v(i)/v(t)), the vertical excursion (in millivolts) recorded during the initial (v(i)) and terminal (v(t)) 40 ms of the QRS complex. When any of criteria 1 to 3 was present, VT was diagnosed; when absent, the next criterion was analyzed. In step 4, v(i)/v(t) >1 suggested SVT, and v(i)/v(t) < or =1 suggested VT.Results The accuracy of the new aVR algorithm and our previous algorithm was superior to that of the Brugada algorithm (P = .002 and P = .007, respectively). The aVR algorithm and our previous algorithm had greater sensitivity (P <.001 and P = .001, respectively) and negative predictive value for diagnosing VT and greater specificity (P <.001 and P = .001, respectively) and positive predictive value for diagnosing SVT compared with the Brugada criteria.Conclusion The simplified aVR algorithm classified wide QRS complex tachycardias with the same accuracy as standard criteria and our previous algorithm and was superior to the Brugada algorithm.
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“The Vereckei et al. algorithm has a 91.5% overall accuracy in the diagnosis of VTs. 60”
From European Heart Rhythm Association (EHRA) consensus document on the management of supraventricular arrhythmias, endorsed by Heart Rhythm Society (HRS), Asia-Pacific Heart Rhythm Society (APHRS), and Sociedad Latinoamericana de Estimulacion Cardiaca y Electrofisiologia (SOLAECE) (2017) · cites this paper as [60]
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Metadata
- Authors
- Vereckei, A., Duray, G., Szénási, G., Altemose, G. T., & Miller, J. M.
- Affiliations
- Semmelweis University (HU)
- National Healthcare Service Center (HU)
- Egis Pharmaceuticals (Hungary) (HU)
- Mayo Clinic in Arizona (US)
- Indiana University School of Medicine (US)
- Corresponding author
- Vereckei, András
- Venue
- Heart Rhythm
- Publisher
- Elsevier BV
- Published
- 2008-01
- Volume
- 5
- Issue
- 1
- Pages
- 89-98
- ISSN
- 1547-5271 (ISSN-L)
- OpenAlex
- W2135161353
- Cited by
- 280
- References
- 28
- Citations by year
- 2026: 7 · 2025: 9 · 2024: 23 · 2023: 15 · 2022: 16 · 2021: 17 · 2020: 27 · 2019: 23 · 2018: 16 · 2017: 27 · 2016: 13 · 2015: 20 · 2014: 11 · 2013: 13 · 2012: 14
- FWCI
- 3.98
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Heart Rhythm (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › ECG Monitoring and Analysis
- Keywords
- wide QRS tachycardia, ventricular tachycardia, supraventricular tachycardia, lead aVR, ECG algorithm, QRS morphology, differential diagnosis
- MeSH terms
- Adult, Algorithms, Diagnosis, Differential, Electrocardiography, Electrodes, Female, Humans, Male, Tachycardia, Supraventricular, Tachycardia, Ventricular, Brugada Syndrome
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