Abstract
A healthy patient who was undergoing cystoscopy suddenly showed a rapid increase in heart rate on a pulse oximeter. The cause was determined to be incident light from the light source for the cystoscope.
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Reference
Brooks TD, Paulus DA, Winkle WE. Infrared heat lamps interfere with pulse oximeters. Anesthesiology 1984;61:630
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Block, F.E. Interference in a pulse oximeter from a fiberoptic light source. J Clin Monitor Comput 3, 210–211 (1987). https://doi.org/10.1007/BF01695946
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DOI: https://doi.org/10.1007/BF01695946