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89 results

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Page 1
Quality Indexes of the ECG Signal Transmitted Using Optical Wireless Link.
Chehbani A, Sahuguede S, Julien-Vergonjanne A, Bernard O. Chehbani A, et al. Sensors (Basel). 2023 May 6;23(9):4522. doi: 10.3390/s23094522. Sensors (Basel). 2023. PMID: 37177726 Free PMC article.
This work relates to the quality of the electrocardiogram (ECG) signal of an elderly person, transmitted using optical wireless links. The studied system uses infrared signals between an optical transmitter located on the person's wrist and optical rec …
This work relates to the quality of the electrocardiogram (ECG) signal of an elderly person, transmitted using optical wireles …
Simple electrocardiogram (ECG) signal analyzer for homecare system among the elderly.
Lin LC, Yeh YC, Ho KJ. Lin LC, et al. Technol Health Care. 2015;24 Suppl 1:S187-93. doi: 10.3233/THC-151068. Technol Health Care. 2015. PMID: 26684565
This study presents a simple electrocardiogram (ECG) signal analyzer for homecare system among the elderly. ...The proposed consists of five major processing stages: (i) preprocessing stage for enlarging ECG signals' amplitude and eliminating noises; (ii) ECG …
This study presents a simple electrocardiogram (ECG) signal analyzer for homecare system among the elderly. ...The proposed co …
Effect of the recording condition on the quality of a single-lead electrocardiogram.
Hamada S, Sasaki K, Kito H, Tooyama Y, Ihara K, Aoyagi E, Ichimura N, Tohda S, Sasano T. Hamada S, et al. Heart Vessels. 2022 Jun;37(6):1010-1026. doi: 10.1007/s00380-021-01991-z. Epub 2021 Dec 2. Heart Vessels. 2022. PMID: 34854951
Although many wearable single-lead electrocardiogram (ECG) monitoring devices have been developed, information regarding their ECG quality is limited. ...We also measured the amplitude of the baseline, P wave, and QRS complex, and calculated the signal-to-noise rati …
Although many wearable single-lead electrocardiogram (ECG) monitoring devices have been developed, information regarding their ECG qu …
Simple electrocardiogram (ECG) signal analyzer for homecare system among the elderly.
Lin LC, Yeh YC, Ho KJ. Lin LC, et al. Technol Health Care. 2015 Sep 10. doi: 10.3233/THC1068. Online ahead of print. Technol Health Care. 2015. PMID: 26409555
This study presents a simple electrocardiogram (ECG) signal analyzer for homecare system among the elderly. ...The proposed consists of five major processing stages: (i) preprocessing stage for enlarging ECG signals' amplitude and eliminating noises; (ii) ECG …
This study presents a simple electrocardiogram (ECG) signal analyzer for homecare system among the elderly. ...The proposed co …
Different acquisition systems for heart rate variability analysis may lead to diverse outcomes.
Oliveira Júnior FA, Pereira RA, Silva AS, Brito Alves JL, Costa-Silva JH, Braga VA, Balarini CM. Oliveira Júnior FA, et al. Braz J Med Biol Res. 2022 Feb 4;55:e11720. doi: 10.1590/1414-431X2021e11720. eCollection 2022. Braz J Med Biol Res. 2022. PMID: 35137854 Free PMC article.
Although the gold standard for HRV registration is the electrocardiogram (ECG), several applications (APPs) have been increasingly developed. ...Data from both acquisition systems were analyzed separately using their own analysis software and exported and analyzed using a …
Although the gold standard for HRV registration is the electrocardiogram (ECG), several applications (APPs) have been increasingly de …
Short range electromagnetic interface using 0.35 μm CMOS blocks for temperature monitoring in isolated areas.
Sotner R, Jerabek J, Polak L, Prokop R, Ayten UE, Jaikla W. Sotner R, et al. J Adv Res. 2022 Nov;41:49-62. doi: 10.1016/j.jare.2022.01.005. Epub 2022 Feb 5. J Adv Res. 2022. PMID: 36328753 Free PMC article.
RESULTS: The processing of base-band signals of simple (sine wave) and complex (electrocardiogram) character was verified experimentally through the system. ...Among others, the presented system brings beneficial performances for similar applications targeting on mo …
RESULTS: The processing of base-band signals of simple (sine wave) and complex (electrocardiogram) character was verified expe …
Heart rate elevations during early sepsis predict death in fluid-resuscitated rats with fecal peritonitis.
Rudiger A, Jeger V, Arrigo M, Schaer CA, Hildenbrand FF, Arras M, Seifert B, Singer M, Schoedon G, Spahn DR, Bettex D. Rudiger A, et al. Intensive Care Med Exp. 2018 Aug 20;6(1):28. doi: 10.1186/s40635-018-0190-5. Intensive Care Med Exp. 2018. PMID: 30128907 Free PMC article.
METHODS: Male Wistar rats (n = 24) were instrumented with a central venous line for administration of fluids, antibiotics and analgesics. A telemetry transmitter continuously collected electrocardiogram signals. Sepsis was induced by intraperitoneal injection …
METHODS: Male Wistar rats (n = 24) were instrumented with a central venous line for administration of fluids, antibiotics and analgesics. A …
A 74-μW 11-Mb/s Wireless Vital Signs Monitoring SoC for Three-Lead ECG, Respiration Rate, and Body Temperature.
Luo Y, Teng KH, Li Y, Mao W, Lian Y, Heng CH. Luo Y, et al. IEEE Trans Biomed Circuits Syst. 2019 Oct;13(5):907-917. doi: 10.1109/TBCAS.2019.2922295. Epub 2019 Jun 12. IEEE Trans Biomed Circuits Syst. 2019. PMID: 31199269
A direct temperature-to-digital converter is also incorporated, which achieves an absolute resolution of 0.023 C and inaccuracy less than 0.13 C over temperature range of 32-42 C. The quantized vital sign signal is transmitted through a multi-channel reconfigurable QPSK/BF …
A direct temperature-to-digital converter is also incorporated, which achieves an absolute resolution of 0.023 C and inaccuracy less than 0. …
A 4.5 μW Miniaturized 3-Channel Wireless Intra-Cardiac Acquisition System.
Rezaeiyan Y, Koolivand Y, Zamani M, Shoaei O, Akbari M, Moradi F, Tang KT. Rezaeiyan Y, et al. IEEE Trans Biomed Circuits Syst. 2023 Oct;17(5):1097-1110. doi: 10.1109/TBCAS.2023.3294560. Epub 2023 Nov 21. IEEE Trans Biomed Circuits Syst. 2023. PMID: 37436854
The front-end channel is capable of extracting the intra-cardiac signal with an effective number of bits of 8.9, while exhibiting an input-referred noise of less than 2.7 muV(rms), and consuming 200 nW per channel. The front-end output is encoded by an ASK-PWM modulator, w …
The front-end channel is capable of extracting the intra-cardiac signal with an effective number of bits of 8.9, while exhibiting an …
Wireless transmission of ECG signal.
Güler NF, Fidan U. Güler NF, et al. J Med Syst. 2006 Jun;30(3):231-5. doi: 10.1007/s10916-005-7980-5. J Med Syst. 2006. PMID: 16848136
In this study, the ECG signal were measured as noiseless with Ag/AgCl electrodes, then converted digital data using pulse code modulation (PCM) technique. ...The power spectrum of measured ECG signal was formed using Matlab program. As a result, the medical supporti …
In this study, the ECG signal were measured as noiseless with Ag/AgCl electrodes, then converted digital data using pulse code modula …
89 results