Study was terminated as enrollment rate did not meet the requirement of the Sponsor.

The purpose of the study is to collect EEG data with the Masimo SedLine device along with vital signs, patient demographics, anesthetic record and surgical procedure during general anesthesia or sedation.

Inclusion Criteria:

• Patients 17 years old and younger
• ASA status I, II, or III.
• Scheduled for surgical and non-surgical procedures scheduled under general anesthesia or sedation (Common procedures include but are not restricted to tonsillectomy, adenoidectomy, urological procedures, dental rehabilitation, orthopedic procedures, biopsies, audiogram, nuclear scans, gastroscopy, colonoscopy, etc. Surgery can be open, laparoscopic, or robotic).

Exclusion Criteria:

• Any deformities or devices that may prevent application of SedLine Array to forehead with a proper fit.
• Cases in which a rapid sequence induction is indicated (emergency, full stomach precautions).
• Subjects who are developmentally delayed.
• Subjects deemed not suitable for study at the discretion of the investigator.

1 day