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(Circulation. 1955;12:838.)
© 1955 American Heart Association, Inc.

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General Networks for Central Terminals in Electrocardiography and Vectorcardiography

NATHAN MARCHAND M.S.¹; STANLEY A. BRILLER M.D.¹; CHARLES E. KOSSMANN M.D.¹

¹ From the Department of Medicine, New York University College of Medicine, and the Electrocardiographic Laboratory of the Third (N.Y.U.) Medical Division of Bellevue Hospital, New York, N. Y.

A method is described for obtaining true orthogonal components of the heart vector by measuring the differences in potential between resistor networks which are connected to the limbs and to the back. The values of the resistors in the networks are determined by solving equations into which the scalar coefficients for the limbs and for the back are inserted.