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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sunyoung Kim Long Yan Mitra, S. Osawa, M. Harada, Y. Tamiya, K. van Hoof, C. Yazicioglu, R.F. |
| Copyright Year | 2013 |
| Description | Author affiliation: Olympus, Tokyo, Japan (Osawa, M.; Harada, Y.; Tamiya, K.) || Imec, Leuven, Belgium (Sunyoung Kim; Long Yan; Mitra, S.; van Hoof, C.; Yazicioglu, R.F.) |
| Abstract | The accurate recognition of multiple intra-cardiac signals is becoming more and more important for Cardiac Resynchronization Therapy (CRT) and for the analysis of the intra-thoracic fluid status [1, 2]. Robust and accurate Heart-Rate (HR) monitoring at the right/left ventricles and the right atrium is essential for an implantable cardiac pacemaker system (Fig. 16.9.1), and ultra-low power consumption is needed. In addition, an accurate motion sensor and thoracic impedance measurement can acquire valuable additional information in clinical research on the intra-cardiac rhythm analysis. As shown in Fig. 16.9.2, our proposed Analog Signal Processor (ASP) IC consists of 3 power-efficient intra-cardiac signal readout channels. Each channel is equipped with a low-power QRS feature extraction unit and an ECG processor in parallel. The ASP also provides an ultra-low-power readout circuit for an external accelerometer (RA). In addition, two quadrature bio-impedance readout channels are used together with a digitized sinusoidal current generator in order to implement an accurate and wide dynamic range bio-impedance measurement. The ASP improves the state of the art by integrating a power-efficient means of QRS feature extraction for detecting Ventricular Fibrillation (VF), and a wide dynamic range bio-impedance readout. |
| Sponsorship | IEEE Solid-State Circuits Soc. |
| Starting Page | 302 |
| Ending Page | 303 |
| File Size | 394956 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781467345156 |
| ISSN | 01936530 |
| e-ISBN | 9781467345163 |
| DOI | 10.1109/ISSCC.2013.6487745 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-02-17 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Feature extraction Impedance Demodulation Integrated circuits Biomedical measurement Current measurement Impedance measurement |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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