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What is Electrocardiography

Chapter 39
Encyclopedia of Information Science and Technology, Third Edition
A trans-thoracic interpretation of the electrical activity of the heart over a period of time, as detected by electrodes attached to the surface of the skin and recorded by a device external to the body. The recording produced by this non-invasive procedure is termed an electrocardiogram (also ECG or EKG).
Published in Chapter:
Demographic Characterization of Heart Rate Variability (HRV)
Ankur Ganguly (Siliguri Institute of Technology, India), D. N. Tibarewala (School of BioScience and Engineering, Jadavpur University, India), S. Dasgupta (Calcutta Institute of Engineering and Management, India), and Subhojit Sarker (Siliguri Institute of Technology, India)
Copyright: © 2015 |Pages: 12
DOI: 10.4018/978-1-4666-5888-2.ch039
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Chapter 15
Real-Time ECG-Based Biometric Authentication System
The process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat. It is commonly a non-invasive procedure for recording electrical changes in the heart. The record, which is called an electrocardiogram, shows the series of waves that relate to the electrical impulses which occur during each beat of the heart. The results are printed on paper or displayed on a monitor. The waves in a normal record are named P, Q, R, S, and T and follow in alphabetical order. The number of waves may vary, and other waves may be present.
Published in Chapter: Real-Time ECG-Based Biometric Authentication System; From: Countering Cyber Attacks and Preserving the Integrity and Availability of Critical Systems
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Chapter 2
Emotion Detection and Classification Using Machine Learning Techniques
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