Perform diagnostic cardiopulmonary procedures; inclusive of nasotracheal and artificial airway suctioning and samples, arterial blood gas punctures, pulse oximetry and EtCO2 monitoring, pulmonary function and bedside pulmonary mechanics, and EKGs. The largest of the four Duke Healthhospitals with 1062 patient beds, it features comprehensive diagnostic and therapeutic facilities, including a regional emergency/trauma center, an endo-surgery center, and more.