Resumo

DE MICHELI, Alfredo; ARANDA, Alberto; ITURRALDE, Pedro  e  MEDRANO, Gustavo A.. The rational approach to the electrical exploration of the heart. Arch. Cardiol. Méx. [online]. 2001, vol.71, n.1, pp.78-87. ISSN 1665-1731.

A rational approach is inevitable in any scientific activity. Such an approach is opposed not only to irrationality, at all inadmissible in scientific thinking, but also to empiric reasoning. Many years ago, Sodi Pallares introduced the rational method in the electrical exploration of the heart based on experimental findings obtained in his laboratory. This method has progressively been accepted and used with good results for diagnoses and has led to logical therapeutic inferences. To confirm the results from the logical interpretation of electrical tracings, we present some examples of its application in three fields: arrhythmias, myocardial infarction, and left ventricular hypertrophy. In the studied cases -two with tachycardia, one with a posterior infarct, and two with left ventricular hypertrophy- a very satisfactory correlation has been observed between the electrical exploration findings and those obtained through direct examination of the heart. It is desirable, and even profitable, to analyze in this way the electrical tracings to get as close as possible to reality, rejecting the stereotyped aspects of a simple routine exploration, which often induce errors and lead to some fallacious asseverations.

Palavras-chave : Arrhythmias; Myocardial infarction; Left ventricular hypertrophy.

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