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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Malkin, R.A. Juhlin, S.P. Penzotti, J.E. Pilkington, T.C. Plonsey, R. |
| Copyright Year | 1993 |
| Description | Author affiliation: Duke Univ., Durham, NC, USA (Malkin, R.A.; Juhlin, S.P.; Penzotti, J.E.; Pilkington, T.C.; Plonsey, R.) |
| Abstract | Small myocardial infarctions (MI) may be life threatening, but cannot be easily detected using standard, body surface electrocardiography. This model study explores the use of an intracavitary probe to detect small MI's. The likelihood ratio is used for detection because it is optimum for most optimality criteria. A new quasi-static electromagnetic model of MI is presented which preserves the essential geometric features, while according relatively fast numerical solutions. A tabulation of simulated results shows that an intracavitary probe can detect infarcts as small as 400 mm/sup 2/ in 1 mV of noise with a detectability index of 0.495. (The detectability index is a measure of detection performance between 0.0 and 0.5, where 0.5 indicates perfect detection.) Simulations are presented for a variety of noise sources, infarction sizes, and probe designs.< |
| Starting Page | 5 |
| Ending Page | 8 |
| File Size | 320552 |
| Page Count | 4 |
| File Format | |
| ISBN | 0818654708 |
| DOI | 10.1109/CIC.1993.378518 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1993-09-05 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Myocardium Probes Heart Electrodes Signal analysis Integral equations Electrocardiography Electromagnetic modeling Noise measurement Size measurement |
| Content Type | Text |
| Resource Type | Article |
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