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Estimation of the systolic parietal stress of the left ventricle by magnetic resonance imaging. A new approach to the study of the overload. Correspondencia: Dr. Recibido: 3 de febrero de Aceptado: 10 de febrero de Objective: To determine the systolic parietal stress of the left ventricle by image of magnetic resonance in healthy subjects. Material and methods: 21 healthy subjects studied: 11 male and 10 female: the ages among 26 and 31 years

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Estimation of the systolic parietal stress of the left ventricle by magnetic resonance imaging. A new approach to the study of the overload. Correspondencia: Dr. Recibido: 3 de febrero de Aceptado: 10 de febrero de Objective: To determine the systolic parietal stress of the left ventricle by image of magnetic resonance in healthy subjects.

Material and methods: 21 healthy subjects studied: 11 male and 10 female: the ages among 26 and 31 years PVI: systolic pressure of the left ventricle the average of 5 synchronized systolic arterial pressures, obtained by an esphingomanometer.

A4: endocardio area in systole; A3: epicardial area in systole. The value obtained in this equation was multiplied per 1. Results: The average of the arterial systolic pressure was of Conclusions: With this new method it is possible to determine with greater exactitude in a noninvasive way, through the best definition of its epicardio and endocardic edges, the areas and the radio of the left ventricular cavity in systole as in diastole, to determine the thickness of the wall and its relation with the radius, for one better valuation of the ventricular function, specially in those subjects with overloads of volume or pressure that depress the ventricular function.

Key words: Wall stress. Magnetic resonance. Los resultados obtenidos en este estudio, no variaron significativamente, respecto a los resultados obtenidos mediante el ecocardiograma bidimensional en estudios previos. Ford LE: Heart Size. Pathogenesis, Detection, and Prognosis. Balzer P, Furber A: Regional assessment of wall curvature and wall stress in left ventricle with magnetic resonance imaging. Auffermann W, Wagner S: Noninvasive determination of left ventricular output and wall stress in volume overload and in myocardial disease by cine magnetic resonance imaging.

Fujita N, Duerinchx A, Higgins CB: Variation in left ventricular regional wall stress with cine magnetic resonance imaging: Normal subjects versus dilated cardiomyopathy. Servicios Personalizados Revista. Similares en SciELO. Summary Objective: To determine the systolic parietal stress of the left ventricle by image of magnetic resonance in healthy subjects.

Limitaciones 1. Conclusiones 1. Referencias 1.

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