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Skip search results from other journals and go to results- 1 JMIR Cardio
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Ballistocardiography (BCG) and seismocardiography (SCG) are generally suitable for cardiovascular diagnostics (heart rhythm, functionality, and vascular status) and the extraction of parameters such as blood pressure or respiration at a relatively low cost and with a low-risk potential. They can thus provide support for diagnosing and monitoring potential heart abnormalities [2-12].
JMIR Res Protoc 2024;13:e63306
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Therefore, we focused on continuous and unobtrusive monitoring of patients using heart rate variability (HRV) indices estimated from ballistocardiography (BCG) obtained from a sheet-type device as a means of monitoring their condition. BCG is a measurement of the vibration signals generated by the ejection of the blood at each cardiac cycle [16], which has been used frequently in recent years to acquire biological signals [17-20].
JMIR Form Res 2024;8:e53453
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Five minutes of ballistocardiography data obtained from a participant (top). The moving windowed variance function applied to the signal. Signal segments above the threshold were discarded (bottom). BCG: ballistocardiography; Var: variance.
Similar to the R-peaks in an ECG signal, the largest signal amplitude in the BCG during a heartbeat is referred to as the J-peak.
JMIR Rehabil Assist Technol 2021;8(2):e25996
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The gyroscope and accelerometer signals used to measure ballistocardiography (BCG) also have the potential to measure variables such as respiration and sleep position, as well as detecting movement during sleep [15]. Indeed, we have previously shown that significant head movement can be detected by monitoring the magnitude of a gyroscope signal mounted on a PAP mask [16].
JMIR Cardio 2021;5(1):e26259
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A New Approach for Detecting Sleep Apnea Using a Contactless Bed Sensor: Comparison Study
Ballistocardiography reflects the movement of the center of mass of the body because of cardiovascular activity. The concept of BCG is not new, and there has been a resurgence because of recent improvements in digital electronics reaching the era of microprocessors. Formerly, BCG systems (ie, tables employed by Starr et al [16]) were bulky, heavy, and complicated, demanding professional mechanical maintenance.
J Med Internet Res 2020;22(9):e18297
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