Início
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v. 2 n. 1 (2021): Edição Especial: Anais de Eventos
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Anais do Congresso Brasileiro de Bioquímica Humana On-line
HCO3 E BE: ANÁLISE E IMPORTÂNCIA FISIOLÓGICA NA GASOMETRIA ARTERIAL
Autores
Lucas Feliciano Cavalheiro
Fernanda Viana Paulin
Palavras-chave:
Be, Gasometria, HCO3
Resumo
Introdução: A gasometria arterial é um exame complementar realizado através de coleta de sangue arterial, que visa a análise dos gases (pressão de oxigênio no sangue arterial- paO2, pressão de gás carbônico- paCO2) e dos principais componentes metabólicos do sangue (bicarbonato- HCO3 e Base Excess- Be), além do pH sanguíneo. De grande utilidade para a equipe multiprofissional, a gasometria arterial tem papel essencial para diagnóstico, avaliação terapêutica e tomada de decisões. Objetivo: Demonstrar a importância de dois componentes metabólicos da gasometria arterial, HCO3 e Be, bem como o impacto fisiológico que ambos podem gerar. Material e métodos: Revisão de literatura não sistematizada, nas bases de busca Google Acadêmico, entre os anos de 2018 e 2020. Resultados: A gasometria arterial revela dados fisiológicos que norteiam o diagnóstico e a busca pela melhor proposta terapêutica, como prescrição precisa de oxigenoterapia, correção bioquímica e ajustes ventilatórios, por exemplo. O HCO3 atua no sistema fisiológico auxiliando no transporte de oxigênio pelo organismo, a regulação desse componente no sangue ocorre através dos rins. O bicarbonato atua no sistema tampão buscando a neutralização do sangue em um aspecto mais básico. Na acidose respiratória o HCO3 plasmático normalmente encontra-se aumentado, a fim de combater o distúrbio primário, quanto a atuação na alcalose respiratória ocorre uma diminuição do bicarbonato em busca da compensação também do distúrbio primário. O Be é quando a soma de todas as bases ultrapassa os parâmetros de referência do Buffer Base, o Base Excess permite que haja a determinação da origem do distúrbio em questão, de modo que aponte quem está alterado e quem está apresentando compensação. Conclusão: O HCO3 e o Be são componentes que devem por suas funções fisiológicas serem analisados para a busca da terapêutica ideal aos pacientes, por suas características tornam-se imprescindíveis na gasometria arterial.
Como Citar
Cavalheiro, . L. F., & Paulin, F. V. (2021). HCO3 E BE: ANÁLISE E IMPORTÂNCIA FISIOLÓGICA NA GASOMETRIA ARTERIAL. Revista Multidisciplinar Em Saúde , 2 (1), 15. https://doi.org/10.51161/rems/670
Seção
Anais do Congresso Brasileiro de Bioquímica Humana On-line
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