How trustworthy are ECG monitors? The filter selection dilemma

Alves, D. ; Lourenço, A. ; Antunes, I. ; Leitão, J.

Revista Portuguesa de Anestesiologia Vol. 25, Nº 3, pp. 84 - 90, September, 2016.

ISSN (print): 0871-6099
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Abstract

Electrocardiographic monitoring has long been established as a standard for basic anesthetic monitoring by international societies, also being routine in intensive care settings. However, there are some caveats to this technology, and overreliance on the monitors’ results may lead to misdiagnosis. In this article we analyze the influence of filter selection on the final electrocardiographic (ECG) tracing. Though not a new subject, the precise mechanisms involved are usually more familiar to technicians and basic scientists than to physicians, mainly because of a lack of focus on the technical peculiarities of equipment function during medical education.

Basic Sciences and Enabling Technologies

How trustworthy are ECG monitors? The filter selection dilemma