Indwelling Foley catheters: is the current design a source of erroneous measurement of urine output?

Wendy M. Fallis is the director of research and evaluation at Victoria General Hospital, Winnipeg, Manitoba. Previously she was the clinical instructor in the intensive and postanesthetic care units. Her area of research is thermoregulation and temperature measurement, with a focus on adult critical care patients. She is a member of the research committee of the Canadian Association of Critical Care Nurses and the recipient of the Sigma Theta Tau 2003 Research Dissertation Award. The concerns expressed in this article arose during her doctoral research at the University of Washington in Seattle.