Sinus rhythm QRS amplitude and fractionation in patients with nonischemic cardiomyopathy to identify ventricular tachycardia substrate and location

MR Arceluz, I Liuba, CM Tschabrunn, DS Frankel… - Heart Rhythm, 2022 - Elsevier
… 2 patients had 12-lead ECG QRS fractionation (QRSf) in ≥2 … the value of QRS amplitude
and fractionation as markers of … In this study, longer QRS duration was observed in patients …

[HTML][HTML] QRS fragmentation versus QRS prolongation in predicting right ventricular enlargement and dysfunction in children and adults with repaired tetralogy of Fallot

S Gaydos, A Hlavacek, S Evenhouse, J Strelow… - … Congenital Heart …, 2023 - Elsevier
… quantification (indexed to body surface area). Secondary … ECG markers of adverse outcomes,
QRS fractionation and … signal-averaged ECG markers, whereas QRS duration was not [23,…

Relation between fragmented QRS complex to the right ventricular volumes and fraction of pulmonary regurgitation in patients with repaired tetralogy of Fallot

A El-Boraey, A El-Damaty, H El-Deeb, M Eshra… - Progress in Pediatric …, 2019 - Elsevier
QRS complexes (fQRS) on surface electrocardiogram. We suggested that the right heart
of the QRS complexes being a sensitive marker in predicting the development of fatal …

QRS fragmentation in preserved ejection fraction heart failure: Functional insights, pathological correlates, and prognosis

KT Sung, SH Chang, PC Chi, SC Chien… - … of the American Heart …, 2023 - Am Heart Assoc
… Fragmented QRS (fQRS) morphology as a surrogate marker … study was limited to ECGs with
QRS duration <120 ms and was … the occurrence of fractionated electrograms within ischemic …

The fractionated QRS complex for cardiovascular risk assessment

RNW Hauer - European Heart Journal, 2022 - academic.oup.com
Fractionation of the QRS complex in the body surface ECG (fQRS) is considered to be a
reflection of the multiple deflections in intracardiac electrograms. This suggests that recording of …

… patterns of noninvasively reconstructed epicardial signals and right ventricle activations in patients with Arrhythmogenic Right Ventricular Cardiomyopathy and gene …

B Kommata, E Sciaraffia, C Blomstrom-Lundqvist - Europace, 2022 - academic.oup.com
… (C) underwent 12-leads ECG, signal-average ECG, echocardiography and 10 minutes … ),
but had a higher variation in the QRS morphology. Fractionated signals were seen in 7/12 cases…

Fragmented QRS on surface electrocardiography as a predictor of cardiac mortality in patients with SARS-CoV-2 infection

A Yildirim, IO Karaca, FK Yilmaz, HM Gunes… - Journal of …, 2021 - Elsevier
… Our data shows that QRS duration and the presence of fQRS on standard ECG can help to
… fQRS on surface ECG can be used as a marker of cardiac prognosis in hospitalized patients …

Right ventricular outflow tract electroanatomical abnormalities in asymptomatic and high‐risk symptomatic patients with Brugada syndrome: Evidence for a new risk …

KP Letsas, K Vlachos, G Conte… - Journal of …, 2021 - Wiley Online Library
… Abnormal long-duration fractionated bipolar electrograms … to the onset of the QRS complex
during ventricular ectopy. Electrograms-… Novel markers are therefore required to improve risk …

Role of QRS amplitude, fractionation and duration in predicting clinical response to anti-inflammatory treatment in cardiac sarcoidosis

M Arceluz, D Frankel, C Tschabrunn… - European Heart …, 2021 - academic.oup.com
… (QRSf) and longer QRS duration (QRSd) are markers of myocardial fibrosis and … ≥2QRSf
contiguous leads and strong trend for shorter QRS duration and larger QRSa in lead DI if PET2(…

QRS micro-fragmentation as a mortality predictor

K Hnatkova, I Andršová, T Novotný… - European heart …, 2022 - academic.oup.com
QRS complex analysis that might be used for this purpose. Briefly, the method is based on
projecting the 12-lead ECGQRS micro-fractionation is calculated as the averaged absolute …