Caracterização do Comportamento Caótico da Variabilidade da Frequência Cardíaca (VFC) em Jovens Saudáveis
DOI:
https://doi.org/10.5540/tema.2010.011.02.0141Abstract
A análise da variabilidade da frequência cardíaca (VFC) é uma técnica utilizada na avaliação do comportamento do sistema nervoso autônomo (SNA) que tem emergido como uma medida simples e não-invasiva dos impulsos autonômicos. Neste trabalho utilizamos técnicas da teoria dos sistemas dinâmicos não-lineares, incluindo a teoria do caos, no estudo de séries temporais da frequência cardíaca de jovens saudáveis com o objetivo de caracterizar o possível comportamento caótico da VFC. Foram analisadas séries de intervalos RR de 10 voluntários saudáveis, na faixa etária de 18 a 22 anos. Os índices não-lineares calculados sugerem o possível comportamento caótico das séries analisadas.References
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