University of Miami
The purpose of this study is to investigate the effect of using the McMurray Enhanced Airway (MEA) which is a flexible extended-length distal pharyngeal airway on improving oxygen delivery compared to standard nasal cannula.
Inclusion Criteria: * Age \> or = 18 years old * Patients willing to participate and provide an informed consent * Patients scheduled to undergo an elective TEE procedure. Exclusion Criteria: * Patients with history of uncontrolled gastroesophageal reflux disease * Patients with anatomical airway obstruction * Have any condition that, in the opinion of the investigator, would compromise the well-being of the patient or the study or prevent the patient from meeting or performing study requirements
The MEA is non-sterile. It can be used in inpatient or outpatient surgery, in hospital or clinic settings, or in an emergency setting. The MEA has five parts: an optional 15 mm connector, flange (color-coded for size), elongated cushioned bite block, flexible cannula, and distal tip, and a channel to allow for passage of air and a suction catheter. The MEA is designed to open and maintain a patient's upper airway. Oxygen will be delivered through the breathing circuit with the following parameters: 40% oxygen at 6 liters/min flow throughout the procedure time. The MEA will be placed in the participant's oropharyngeal airway one time during an in-person visit.
Participants in this group will use the nasal cannula to deliver oxygen as per standard of care one time during the in-person visit.
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