Simple and non-invasive, the electrocardiogram is a basic examination for studying how the cardiac muscle functions. Very commonly used, it nonetheless requires great rigour when applying the electrodes to avoid false results that can be harmful to appropriate care for the patient. A reminder of good practices.
Keywords: Lund position; angle de Louis; angle of Louis; electrocardiogram; electrode; position de Lund; électrocardiogramme; électrode.
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