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(Chest. 1972;61:692-692.)
© 1972 American College of Chest Physicians

Can Catheters Be an Electrical Safety Hazard?

Lyle R. Monsees P.E.1 and Donald G. McQuarrie M.D., F.C.C.P.1

1 Department of Surgery, Bio-Physical Monitoring Section, Veterans Administration Hospital, Minneapolis

Although a value of 500 ohms often has been used as the resistance of a saline filled plastic catheter, both calculated and measured values exceed 2 million ohms. Because the current which this catheter could carry is inversely proportional to its resistance, this resistance should be considered wherever arterial catheters and patient safety are of concern.






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Copyright © 1972 by the American College of Chest Physicians.