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  • Title: [On the actual nomenclature of myocardial infarcts].
    Author: Medrano GA, Aranda A, Meléndez G, de Micheli A.
    Journal: Arch Cardiol Mex; 2010; 80(2):126-32. PubMed ID: 21147577.
    Abstract:
    Certain criteria are examined for infarctions currents defined as inferior or inferolateral. To do this, certain considerations on the anatomical aspects of isolated and in situ heart are laid out. The topographical relationship of the in situ heart with other adjacent thoracic organs is described. The heart is schematically represented as a pyramid with a triangular base and its walls and borders are related to walls of the thorax. The spatial orientation of the main resulting vectors from ventricular depolarization and repolarization are summarized also. Usefulness of registering the unipolar thoracic leads V7, V8, V9 or a complete electrocardiographic thoracic circle, is underlined. This method allows to detect for of the existence of an acute myocardial infarction in the inferior and inferolateral segments in as third basal and mid cardiac regions previously denominated posterolateral. On the base of previous electroanatomical comparisons, it is concluded that the thoracic posterior leads V7 - V9, as well as the magnetic resonance images, explore the same heart regions. Therefore, these two methods: electrocardiography which is an essentially functional method and magnetic resonance that especially focus on structural changes are not contradictory but rather complementary tests."
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