Summary: detect mild to moderate hypoxaemia A high index of clinical suspicion is required and a low threshold for the use of pulse oximetry or blood gas analysis to confirm this hypoxic state Figure 1 Sinusoidal breathing pattern Diagram from Leigh J Oxygen therapy Scientific Foundations of Anaesthesia pp 235 242 PULSE OXIMETRY
Image Dimensions: 400 x 454
Image originally found here.