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Revista Brasileira de Anestesiologia
Article . 2017 . Peer-reviewed
License: CC BY NC ND
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Revista Brasileira de Anestesiologia
Article
License: CC BY NC ND
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Revista Brasileira de Anestesiologia
Article . 2016
License: CC BY NC ND
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Bloqueio intermitente de ramo esquerdo – reversão para condução normal durante anestesia geral

Authors: Silva, Ana Maria Oliveira Correia da; Silva, Emília Alexandra Gaspar Lima da;

Bloqueio intermitente de ramo esquerdo – reversão para condução normal durante anestesia geral

Abstract

Resumo Justificativa e objetivos Alteracoes transitorias da conducao cardiaca no intraoperatorio sao pouco frequentes. Foram reportados raros casos de desenvolvimento ou remissao de bloqueio completo de ramo esquerdo sob anestesia (geral e locorregional), associados a isquemia do miocardio, hipertensao, taquicardia e farmacos. O bloqueio completo de ramo esquerdo e uma manifestacao clinica importante em alguns hipertensos cronicos, pode tambem significar doenca arterial coronaria, doenca valvular aortica ou cardiomiopatia subjacentes. Embora habitualmente permanente, pode ocorrer na forma intermitente dependente da frequencia cardiaca (quando a frequencia cardiaca excede determinado valor critico). Relato de caso Este e um caso de bloqueio completo de ramo esquerdo registrado no pre‐operatorio de cirurgia urgente que reverteu para conducao normal no intraoperatorio sob anestesia geral apos diminuicao da frequencia cardiaca. Ressurgiu, de forma intermitente e dependente da frequencia cardiaca, no pos‐operatorio imediato, acabou por reverter novamente a conducao normal de forma sustentada durante vigilância em unidade semi‐intensiva. O estudo com marcadores de necrose muscular cardiacos foi negativo. A dor do quadro cirurgico urgente e pos‐operatorio imediato pode ter estado na origem da subida da frequencia cardiaca ate ao valor critico e causado bloqueio. Conclusoes Embora o desenvolvimento ou a remissao desse bloqueio sob anestesia sejam incomuns, o anestesiologista devera estar alertado para a possibilidade da sua ocorrencia. Pode ter carater benigno, contudo o diagnostico correto e muito importante. As manifestacoes eletrocardiograficas podem ser confundidas com ou encobrir isquemia miocardica, fatos de especial importância num paciente sob anestesia geral incapaz de referir sintomatologia caracteristica de isquemia.

Keywords

Anesthesiology and Pain Medicine

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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