Why the study?
Does 60-GHz ultra-wideband radar accurately measure heartbeat intervals from human soles compared to ECG?
Does 60-GHz ultra-wideband radar accurately measure heartbeat intervals from human soles compared to ECG?
Remote heartbeat monitoring from human soles using 60-GHz ultra-wideband radar is feasible and highly correlated with ECG, providing a potential alternative for cardiac gating in MRI scanners.
Answers are grounded in this paper and cite their sources.
May enable contactless sole-based monitoring; leaves open prospective validation for MRI gating.
Measurement of heartbeats is essential in cardiovascular magnetic resonance imaging because the measurement must be synchronized with the phase of cardiac cycles. Many existing studies on radar-based heartbeat monitoring have focused on echoes from the torso only, and such monitoring cannot be applied to subjects in magnetic resonance scanners because only the head and soles can be seen from the outside. In this study, we demonstrate the feasibility of the remote monitoring of heartbeats from the subject’s soles using a 60-GHz ultra-wideband radar. The heartbeat intervals measured using the radar are quantitatively compared with those measured using conventional electrocardiography.
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Sakamoto et al. (2015) studied this question.
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