The performance of the nurse during the verification of a eletrocardiograma estimates the acquisition of specific abilities, since, if it makes important the knowledge of the diverse cardiolgicas alterations that the examination it can evidence and by means of this used being of the assistance of the professional in order to minimize or to extinguish complications to the health of the patient who can come to happen either in a daily pay-hospital attendance (emergencial), or in an elective examination. This study it has as objective to evaluate the vision that the nurse has in the interpretation of the eletrocardiograma. The present study one is about a research of the exploratrio type, bibliographical type with qualitative boarding. For the elaboration of the research it was necessary to national consult works published in propagated scientific articles by means of the Internet and in books that dealt with the subject. Then, it is arrived conclusion to be the taking of decision of the professional an indispensable attribute front the possible cardiolgicas alterations that can place the life of the patient at risk.