期刊
IEEE SENSORS JOURNAL
卷 13, 期 12, 页码 4986-4991出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2013.2279160
关键词
Ballistocardiography (BCG); fiber Bragg gratings (FBGs); heart rate (HR); magnetic resonance imaging (MRI); respiration rate (RR); strain sensors
资金
- Program for National Defense and Security [DOBR/0052/R/ID1/2012/03]
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 <8%. The method is both noninvasive and safe for the patient. In addition, the sensor does not affect the MRI imaging quality.
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