QRS-wave detector evaluation |
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| Authors: | G M Vincent G N Webb R S Ross W H Guier |
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| Affiliation: | 1. Department of Physiology, Faculty of Medicine, University of Valencia and Fundación Investigación Hospital Clínico Universitario de Valencia, Instituto de Investigación INCLIVA, Valencia, Spain;3. Section of Clinical Biochemistry, University of Verona, Verona, Italy;4. Emergency Department, Academic Hospital of Parma, Parma, Italy;5. Faculty of Health, School of Medicine, University Witten/Herdecke, Hagen, Germany;6. EFSMA and German Fed. Sports Medicine, Remscheid, Germany;7. Faculty of Medicine, Physical Education and Sports Section, University of Zaragoza, Zaragoza, Spain;8. European University of Madrid, Madrid, Spain;1. International Laser Center, Bratislava, Slovak Republic;2. Institute of Pathophysiology, Medical Faculty of Comenius University, Bratislava, Slovak Republic;3. Emeritus, Department of Community and Family Medicine, Duke University Medical Center Durham, NC, USA;1. Dartmouth Hitchcock Medical Center Department of Cardiovascular Medicine Heart and Vascular Center, Lebanon, NH;2. University of Utah Department of Cardiovascular Medicine, Salt Lake City, UT;3. Comprehensive Arrhythmia Research & Management Center (CARMA) University of Utah, Salt Lake City, UT;4. University of Utah Department of Radiology and Imaging Sciences, Salt Lake City, UT;5. Tulane University Heart and Vascular Institute, New Orleans, LA |
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| Abstract: | A standardized FM magnetic tape containing various arrhythmias and artifacts was prepared for the purpose of evaluating QRS-wave detectors. The technical aspects of the preparation of the tape and the testing format are described. Two QRS-wave detectors were tested. Premature ventricular contractions (PVC's) caused the most difficulty, 97 per cent being detected by one type and 86 per cent by the second. T waves following PVC's were detected as QRS complexes 6 per cent and 1 per cent, respectively. Base-line shift and 60 Hz artifact produced 4.7 per cent and 1.7 per cent false positive detections. The over-all results suggest that these QRS-wave detectors are capable of performing satisfactorily in the usual monitoring setting. |
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