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VitRad: A low-cost continuous wave Doppler radar system with 3D-printed horn antennas for human vital sign detection.
Jeong H, Kim D, Kim G, Kim S. Jeong H, et al. HardwareX. 2022 Sep 20;12:e00361. doi: 10.1016/j.ohx.2022.e00361. eCollection 2022 Oct. HardwareX. 2022. PMID: 36188873 Free PMC article.
In this study, a low-cost continuous wave (CW) radar system with 3D-printed high-gain horn antennas called VitRad is proposed for human vital sign detection. The CW radar consists of 3D-printed high-gain horn antennas, commercially available low-cost s …
In this study, a low-cost continuous wave (CW) radar system with 3D-printed high-gain horn antennas called VitRad is proposed …
Detection and continuous monitoring of intracardiac low-level potentials from the surface of the Langendorff-perfused heart.
Hofer E, Stark U, Stark G, Tritthart HA. Hofer E, et al. Basic Res Cardiol. 1990 Mar-Apr;85(2):198-208. doi: 10.1007/BF01906972. Basic Res Cardiol. 1990. PMID: 2350333
The frequency spectra of these cardiograms were used to develop appropriate filters and high-gain amplifiers for a continuous monitoring of the His-bundle signal from the epicardiac surface. ...With this monitor the evaluation of characteristic parameters of the con …
The frequency spectra of these cardiograms were used to develop appropriate filters and high-gain amplifiers for a continuous …
Noninvasive recording of His-Purkinje activity in man by ORS-triggered signal averaging.
Wajszczuk WJ, Stopczyk MJ, Moskowitz MS, Zochowski RJ, Bauld T, Dabos PL, Rubenfire M. Wajszczuk WJ, et al. Circulation. 1978 Jul;58(1):95-102. doi: 10.1161/01.cir.58.1.95. Circulation. 1978. PMID: 647894
Mobile instrumentation and a clinically applicable method have been developed for external His bundle recording. High gain signal amplification (10)(5) filtering (30--300 HZ) and averaging (128 or 256 consecutive cycles) are used. ...The precordial bipolar electrodi …
Mobile instrumentation and a clinically applicable method have been developed for external His bundle recording. High gain sig …