Intracardia electrophysiological examinations.
DOI:
https://doi.org/10.20344/amp.3926Abstract
O valor dos exames eletrocardiográficos intracardíacos torna-se evidente quando os registos dos potenciais do tecido especifico da condução cardíaca são comparados com os obtidos pelo eletrocardiograma clássico de superfície (ECG). Enquanto que por este último método, se obtém apenas as despolarizações do miocárdio auricular e ventricular, respectivamente, as ondas P e os complexos QRS, os electrogramas intracavitários fornecem-nos informações mais específicas devido a proximidade dos eléctrodos com as estruturas cardíacas e as condições de filtragem e de amplificação usadas nestes registos.
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