Fiber Bragg Grating Strain Sensor Incorporated to Monitor Patient Vital Signs During MRI
Open Access
- 26 August 2013
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Sensors Journal
- Vol. 13 (12), 4986-4991
- https://doi.org/10.1109/jsen.2013.2279160
Abstract
This paper reports on results obtained from monitoring the respiration and cardiac activity of a patient during a magnetic resonance imaging (MRI) survey using an optical strain sensor based on a fiber Bragg grating. The sensor is proposed specifically to acquire ballistocardiographic signals from a patient exposed to high intensity electromagnetic radiation. A Bland-Altman analysis shows the measurements that have a satisfactory accuracy for monitoring purposes, and the relative error is . The method is both noninvasive and safe for the patient. In addition, the sensor does not affect the MRI imaging quality.Keywords
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