Key result
A modified 122 GHz FMCW radar successfully extracted respiratory rate, heartbeat rate, and heart rate variability sequences, including respiratory sinus arrhythmia, in a standoff configuration.
Why the study?
Contact cardiopulmonary monitoring devices cannot be used in extreme cases such as premature infants, burn victims, or rescue operations, making non-contact radar alternatives desirable.
Population
Subjects in a standoff configuration and simultaneous multi-target scenario
Design
Other
Authors
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May enable non-contact vital sign monitoring; hypothesis-generating and requires prospective validation before clinical use.
A modified 122 GHz FMCW radar can successfully extract vital cardiopulmonary signals (heart rate, respiratory rate, HRV) without contact, offering potential for monitoring in extreme cases like premature infants or burn victims.
Antolinos et al. (2020) studied this question. 122 GHz frequency-modulated continuous-wave (FMCW) radar was evaluated on Extraction of respiratory rate, heartbeat rate, and heart rate variability (HRV) sequence. A modified 122 GHz FMCW radar successfully extracted respiratory rate, heartbeat rate, and heart rate variability sequences, including respiratory sinus arrhythmia, in a standoff configuration.
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