Abstract
A novel electrocardiographic (ECG) and vectorcardiographic (VCG) signal processing technique is proposed for identification of patients with Acute Myocardial Infarction (AMI). To this end, we propose a method based on two QRSloops features: a) Volume, and b) Planar Area; along with five orthogonal ECG indexes: c) ST-T vector difference, d) T vector difference, and e-g) the area under the T-wave in X, Y and Z leads. Our method was tested using ECG recordings of 97 AMIs and 52 healthy subject from the PhysioNet PTB database. The results indicate that these indexes show significant statistical differences (p-values <0.05) between the two populations (Healthy versus AMI population, with the exception of c). To validate the suggested index a 70/30 cross validation technique was used. Moreover, combining all parameters (with the exception of the T-wave area in Y and Z leads), it was possible to classify the AMI and healthy subjects with a sensitivity = 93.90%, a specificity = 93.44% and an accuracy = 93.73%, applying a linear discriminant classifier method. We conclude that the proposed technique could be used as an alternative diagnostic technique in the emergency room.
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© 2015 Springer International Publishing Switzerland
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Correa, R., Arini, P.D., Correa, L.S., Valentinuzzi, M.E., Laciar, E. (2015). New VCG and ECG Indexes for Early Identification of Acute Myocardial Infarction Patients. In: Braidot, A., Hadad, A. (eds) VI Latin American Congress on Biomedical Engineering CLAIB 2014, Paraná, Argentina 29, 30 & 31 October 2014. IFMBE Proceedings, vol 49. Springer, Cham. https://doi.org/10.1007/978-3-319-13117-7_95
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DOI: https://doi.org/10.1007/978-3-319-13117-7_95
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-13116-0
Online ISBN: 978-3-319-13117-7
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