{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T02:13:17Z","timestamp":1776132797048,"version":"3.50.1"},"reference-count":25,"publisher":"Consilium Medicum","issue":"4","license":[{"start":{"date-parts":[[2019,4,15]],"date-time":"2019-04-15T00:00:00Z","timestamp":1555286400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Terapevticheskii arkhiv"],"abstract":"<jats:p>Aim. To evaluate standard 12-lead ECG indices for the differential diagnosis of wide QRS tachycardias with right bundle branch block (RBBB) pattern. Materials and methods. Study analyses the 244 ECG indices in 111 patients (79 males and 32 females, age 53\u00b117 years) with RBBB tachycardias, who underwent electrophysiological studies. First step includes retrospective analysis of QRS characteristics in 20 patients with ventricular tachycardias (VT), 24 pts with aberrant supraventricular tachycardias (SVT+RBBB) and 14 pts with antidromic SVTs (WPW). ROC- and multifactorial analyses were performed to develop diagnostic ECG algorithms. The prognostic accuracy of the algorithms was subsequently evaluated on a prospective group of patients with RBBB tachycardias (n=53). Results and discussion. ECG criteria of RBBB VTs were: 1) the presence Q-wave in lead II, 2) the duration interval R(peak)-S(end) &gt;100 ms in lead V5. ECG criteria for antidromic SVTs with RBBB were: 1) the duration of the R wave in lead I \u226580 ms, 2) the absence of split (M-sharp) R-waves in lead V2, 3) the absence notch in ascending S wave in lead aVL. The accuracy of the algorhythm for diagnostic of VTs with RBBB was 83% (sensitivity 100%, specificity 73%). The accuracy of the algorhythm for diagnostic of antidromic SVTs with RBBB was 91% (sensitivity 85%, specificity 96%). Conclusion. The proposed algorithms are based on new ECG criteria for the differential diagnosis of wide QRS complexes tachycardias with RBBB pattern, unlike the previous algorithms.<\/jats:p>","DOI":"10.26442\/00403660.2019.04.000210","type":"journal-article","created":{"date-parts":[[2019,5,24]],"date-time":"2019-05-24T11:24:39Z","timestamp":1558697079000},"page":"83-89","source":"Crossref","is-referenced-by-count":3,"title":["New ECG criteria for differential diagnosis of wide QRS complex tachycardias with right bundle branch block pattern"],"prefix":"10.26442","volume":"91","author":[{"given":"N B","family":"Shlevkov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H F","family":"Salami","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V G","family":"Kiktev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S F","family":"Sokolov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"18344","published-online":{"date-parts":[[2019,4,15]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","unstructured":"Coumel P, Leclercq J.F, Attuel P, Maison B.P. 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