Abstract
In recent years, cardiac problems have been found proportional to technology development. As the cardiac signal (Electrocardiogram) relates to the electrical activity of the heart of a living being, the technology develops accordingly day-by-day to support physicians and diagnosis. It has many applications along with medical applications. Accurate analysis of electrocardiogram (ECG) signal can information for detection, classification, and diagnosis. This paper insight towards a short review of earlier techniques. It will support the researchers in a new direction. The review is based on preprocessing, feature extraction, classification, and different measures for accuracy proof and the related work reported during the last decade is summarized.
Keywords: ECG, cardiac disease, QRS complex, feature extraction, classification, electromagnetic field.
Graphical Abstract
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