Inspec keywords: phonocardiography; pneumodynamics; bioelectric phenomena; acoustic transducers

Other keywords: PCG; respiration rate monitoring; wireless acoustic sensor; cardiorespiratory system monitoring; frequency 2.54 GHz; developed acoustic sensor; phonocardiogram; heartbeat monitoring; capacitor microphones

Subjects: Patient diagnostic methods and instrumentation; Sonic and ultrasonic applications; Sonic and ultrasonic transducers and sensors; Sonic and ultrasonic radiation (medical uses); Sonic and ultrasonic radiation (biomedical imaging/measurement); Transduction; devices for the generation and reproduction of sound