orthogonal lead system

orthogonal lead system
a system for placing the electrocardiographic leads in spatial vectorcardiography so that ideally the three leads used are mutually perpendicular, each is parallel to one of the rectilinear coordinates of the body, and each is of equal amplitude vectorially. In corrected systems, the lead vectors also retain the same magnitude and direction for all points of cardiac electromotive force generation. See also Frank lead s.

Medical dictionary. 2011.

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