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	Provedor de dados BJMBR (1) Autor Azevedo,F.M. (1) Godoy,M.F. (1) Pastre,C.M. (1) Silva,R.A. (1) Vanderlei,L.C.M. (1) Palavra-chave Autonomic nervous system (1) ECG (1) Exercise (1) Heart rate variability (1) Polar S810i monitor (1) Spectral analysis (1) Mais... Tipo do documento Info:eu-repo/semantics/article (1) Ano 2008 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Comparison of the Polar S810i monitor and the ECG for the analysis of heart rate variability in the time and frequency domains BJMBR Vanderlei,L.C.M.; Silva,R.A.; Pastre,C.M.; Azevedo,F.M.; Godoy,M.F.. The aim of the present study was to compare heart rate variability (HRV) at rest and during exercise using a temporal series obtained with the Polar S810i monitor and a signal from a LYNX® signal conditioner (BIO EMG 1000 model) with a channel configured for the acquisition of ECG signals. Fifteen healthy subjects aged 20.9 ± 1.4 years were analyzed. The subjects remained at rest for 20 min and performed exercise for another 20 min with the workload selected to achieve 60% of submaximal heart rate. RR series were obtained for each individual with a Polar S810i instrument and with an ECG analyzed with a biological signal conditioner. The HRV indices (rMSSD, pNN50, LFnu, HFnu, and LF/HF) were calculated after signal processing and analysis. The unpaired... Tipo: Info:eu-repo/semantics/article Palavras-chave: Heart rate variability; Autonomic nervous system; Exercise; Spectral analysis; ECG; Polar S810i monitor. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001000004 Registros recuperados: 1 Primeira ... 1 ... Última

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