Does resistance of the saline column in pressure monitoring catheters change as a function of applied voltage?
It had been suggested that the electrical impedance of a fluid-filled pressure monitoring catheter might be a function of applied 60 Hertz voltage. If so, the possibility of patient shock hazard might be increased.  A variety of catheters were tested with several physiological solutions over a wide range of applied 60 Hertz voltages. No evidence was found to indicate that the resistance of fluid-filled catheters is a function of applied voltage.
Monsees
L R
LR
McQuarrie
D G
DG
Kruse
J
J
D004553:Electric Conductivity; D004556:Electric Injuries / Q000517:prevention & control*; D006801:Humans; D008991:Monitoring, Physiologic; D011312:Pressure; D012449:Safety