Abstract
This work describes a Linear Discriminant Analysis (LDA) method to analyze ECG signals for diagnosing cardiac arrhythmias effectively. The proposed method can accurately classify and differentiate normal (NORM) and abnormal heartbeats. Abnormal heartbeats include left bundle branch block (LBBB), right bundle branch block (RBBB), ventricular premature contractions (VPC) and atrial premature contractions (APC). ECG signal analysis comprises three main stages: (i) QRS waveform detection; (ii) qualitative features selection; and (iii) heartbeat case determination. The available ECG records in the MIT-BIH arrhythmia database are utilized to illustrate the effectiveness of the proposed method. Experimental results show that the correct diagnosis rates are 98.97%, 91.07%, 95.09%, 92.63% and 84.68% for NORM, LBBB, RBBB, VPC and APC, respectively.
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