Frontiers Med. Biol. Engng , Vol. 11, No. 2, pp. 131– 152 (2001) Ó VSP 2001. Original paper ECG data reduction method for medical telemetry systems MASAKI KYOSO 1 ; ¤ and AKIHIKO UCHIYAMA 2 1 Department of Information and Computer Sciences, Kanagawa Institute of Technology, 1030 Shimo-ogino, Atsugi City, Kanagawa Prefecture 243-0292, Japan 2 School of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan Received 24 May 2000; revised 19 January 2001; accepted 20 February 2001 Abstract —In current medical practice, all transmitters used for monitoring an ECG send data continuously. If transmission could be limited to only the ECG data that requires the attention of a technician, the likelihood of interference and power consumption would be reduced considerably. In this paper, we propose a new ECG telemetry system. The transmitter has a simple ECG analyzer and it only transmits data when abnormal waveforms are detected. As part of this system, we propose a simple algorithm to detect an abnormal ECG. The algorithm is composed of a baseline drift canceller(utilizing a moving average calculation),a waveform detector(using a modi ed second order derivative) and an ECG analyzer. In order to test the effectiveness and feasibility
Frontiers of Medical & Biological Engineering – Brill
Published: Jan 1, 2001
Keywords: SECOND ORDER DERIVATIVE; ECG; MEDICAL TELEMETRY SYSTEM; DATA REDUCTION; INTERMITTENT TRANSMISSION; MIT-BIH ECG DATABASE
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