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(Chest. 1965;48:385-393.)
© 1965 American College of Chest Physicians

Ascorbic Acid Indicator Dilution Curves

Philip Samet M.D., F.C.C.P.1; William H. Bernstein M.D.1; and Aaron Medow M.D.1

1 Cardio-Pulmonary Laboratory, Department of Medicine, Mount Sinai Hospital, Miami Beach; Section of Cardiology, Department of Medicine, University of Miami School of Medicine, Coral Gables

The feasibility of a polarographic technique, as previously described by several investigators, for the recording of ascorbate indicator dilution curves for the detection and localization of right-to-left and left-to-right shunts is verified. A platinum electrode incorporated into a cardiac catheter permits recording of intracardiac indicator dilution curves at the tip of the catheter; a similar electrode passed through a systemic arterial needle into the arterial blood stream facilitates registration of arterial dilution curves. The advantages of the ascorbate technique are emphasized.






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Copyright © 1965 by the American College of Chest Physicians.