Respiration Rate Monitoring During Transitions

Inclusion Criteria: * Be undergoing a procedure with planned general anesthesia involving placement of an endotracheal tube or laryngeal mask airway following induction of anesthesia. * American Society of Anesthesiologists physical status classification (ASA) Status 1, 2 or 3. * Body mass index (BMI) ≤30 kg/m2. * Subject is willing and able to provide written consent. Exclusion Criteria: * Female subjects of child-bearing potential with a positive pregnancy test or an absence of documented non-childbearing status in the medical history records. * Female subjects who are currently lactating and breastfeeding. * Subjects with any evidence of potential difficulty in mask ventilation and/or tracheal intubation. * Subject has an abnormality that may prevent proper application of the device/sensors. * Subject is in atrial fibrillation. * Subject has a documented history of frequent premature ventricular contractions (PVCs), defined as greater than 3 in 30 seconds or greater than 6 in 60 seconds. * Subject has an implanted pacemaker. * Subjects with non-sinus rhythm, frequent premature ventricular complexes (\> 5 min), or abnormal PR, QRS, or QT intervals on screening ECG. * Subjects with artificial finger nails.