Clinical Utility of Capnography in the PACU( Post-anaesthesia Care Unit)

All Study device information is blinded to medical staff but the Study Coordinator will have
full access to device measurements, alarms, notification and events via a local Wi-Fi hub
sent to a portable tablet. The tablet Case Report Form (CRF) will allow all observation be
inserted with a time stamp on the electronic device data. In addition, all electronic data
will be collected from the bedside monitor.

Inclusion Criteria:

1. Adult ≥ 18 years of age

2. ASA Score II - IV (American Society of Anaesthesiologists Score)

3. Patients booked for a surgical procedure requiring general anesthesia care

4. Expected duration of general anesthesia to be > 1.5 hours

5. Expected to receive intraoperative opioids

6. Expected to be transferred to the PACU from the operating room

7. Patients with an expected duration in the PACU ≥ 45 minutes

8. Expected to be transferred from the PACU to an in-patient setting

Exclusion Criteria:

1. Patients expected to be discharged from the hospital when discharged from the PACU

2. Subjects who will have oral/nasal surgery that may prevent wearing an oral/nasal
capnography sampling filterline.

3. Subjects with a history of severe contact allergies that may cause a reaction to
standard adhesive materials found in pulse oximetry sensors.

4. Patients with skin lesions or physical deformities that would prevent the application
of finger sensors for optimal performance.

5. A female known to be pregnant.