Ultra-high-frequency ECG volumetric and negative derivative epicardial ventricular electrical activation pattern
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DOI: 10.1038/s41598-024-55789-w
Abstract: From precordial ECG leads, the conventional determination of the negative derivative of the QRS complex (ND-ECG) assesses epicardial activation. Recently we showed that ultra-high-frequency electrocardiography (UHF-ECG) determines the activation of a larger volume of the… read more here.
Keywords: ecg; negative derivative; activation; uhf ecg ... See more keywords
Pacing of the interventricular septum with His bundle engagement, unlike myocardial pacings of the right ventricle, does not lead to ventricular dyssynchrony, as assessed by ultra-high frequency ECG
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DOI: 10.1093/ehjci/ehaa946.0717
Abstract: Nonselective pacing of the distal His bundle is practically just another way of right ventricular septal pacing. It leads to the concomitant activation of the His bundle and septal myocytes with unknown impact on ventricular… read more here.
Keywords: uhf ecg; high frequency; septum; ultra high ... See more keywords
Ventricular dyssynchrony assessed by ultra-high-frequency electrocardiography predicts the response to biventricular cardiac resynchronization therapy
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DOI: 10.1093/europace/euad122.461
Abstract: Abstract Funding Acknowledgements Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Supported by the European Regional Development Fund - Project ENOCH No.CZ.02.1.01/0.0/0.0/16_019/0000868, by the project National Institute for Research of… read more here.
Keywords: dyssynchrony; ultra high; ventricular dyssynchrony; crt ... See more keywords
Conduction system pacing preserves both electrical and mechanical interventricular synchrony, a UHF ECG validation study
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DOI: 10.1093/europace/euae102.406
Abstract: Abstract Background Interventricular mechanical delay (IVMD) is an established echocardiographic risk factor for pacing-induced cardiomyopathy development. Ultra-high-frequency ECG (UHF-ECG) is a non-invasive tool visualizing the ventricular activation sequence. Purpose To compare UHF-ECG interventricular dyssynchrony with… read more here.
Keywords: csp; dys; uhf ecg; interventricular dys ... See more keywords