The Efficacy of Distal Pharyngeal Airway for Oxygenation During TEE

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