Near-Infrared Spectroscopy for the Evaluation of Anesthetic Depth

Figure 3

Continuous recording of fNIRS signal response during the transition from maintenance to emergence in a 62-year-old male patient. (a) Maintenance with 2% sevoflurane, (b) anesthetic removal, and (c) response 1 minute before the patient started moving. (G. Hernandez-Meza, personal communications, July 22, 2015, School of Biomedical Engineering, Science and Health Systems at Drexel University, Philadelphia, PA 19104).