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- W4382236639 abstract "Vectorcardiography (VCG) is a valuable diagnostic tool that complements the standard 12-lead ECG by offering additional spatiotemporal information to clinicians. However, due to the need for additional measurement hardware and too many electrodes in a clinical scenario if performed along with a standard 12-lead, there is a need to find methods to derive the VCG from the ECG. We have evaluated the use of Long Short-term Memory (LSTM) neural networks to learn the transformation from 12-lead ECG to VCG that is applicable across subjects and for each subject. We refer to these networks as generalized and personalized, respectively. We calculated the Root Mean Square Error (RMSE), R2, and Pearson correlation coefficient to compare waveforms of derived and actual VCG. We also extracted and compared diagnostic parameters from VCG, namely the QRS-loop magnitude, T-loop magnitude, and QRS-T spatial angle, from actual and derived VCGs using the Pearson correlation coefficient and Bland Altman limits of agreement. The personalized models performed better than generalized models in waveform comparisons and in the error of extracted diagnostic parameters from VCG waveforms. The use of personalized transformations for the derivation of VCG from standard 12-lead has the potential to improve and augment the diagnostic yield and accuracy of a standard 12-lead interpretation." @default.
- W4382236639 created "2023-06-28" @default.
- W4382236639 creator A5053791865 @default.
- W4382236639 creator A5063882354 @default.
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- W4382236639 date "2023-05-10" @default.
- W4382236639 modified "2023-09-30" @default.
- W4382236639 title "A Comparison of Personalized and Generalized LSTM Neural Networks for Deriving VCG from 12-Lead ECG" @default.
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- W4382236639 doi "https://doi.org/10.3390/eng4020078" @default.
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