Complex sentence: Pulse oximetry takes advantage of this color change to directly measure the arterial blood oxygen saturation using colorimetric techniques; flushed, confused patients with a saturation of 100% on pulse oximetry are sometimes found to be suffering from carbon monoxide poisoning.
Split into simpler sentences: Pulse oximetry takes advantage of this color change to directly measure the arterial blood oxygen saturation using colorimetric techniques. Flushed, confused patients with a saturation reading of 100% on pulse oximetry are sometimes found to be suffering from carbon monoxide poisoning.