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(Circulation. 1950;2:10.)
© 1950 American Heart Association, Inc.

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Intracardiac and Intravascular Potentials Resulting from Electrical Activity of the Normal Human Heart

CHARLES E. KOSSMANN M. D.¹; ADOLPH R. BERGER M. D.¹; BERTHA RADER M. D¹; JOSEPH BRUMLIK M. D.¹; STANLEY A. BRILLER M. D.¹; JOHN H. DONNELLY M. D.¹

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

Electrical records were made from the interior of the right heart and attached vessels in 14 normal subjects. Technics differed somewhat from those previously reported in that simultaneously recording string galvanometers were used exclusively, and tracings were made whenever the catheter-electrode was moved within the heart. Previously unreported large positive QRS deflections were found in records from the lower part of the right atrium, from the pulmonary artery, and in two instances from within the right ventricle itself close to the base. The possible anatomical origin of these is discussed.

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