Summary: A registered respiratory therapist (RRT) may be required to deliver respiratory care services to patients in all areas of the hospital (e.g., intensive care units, medical and surgical floors, emergency departments, post-anesthesia care units, infant nurseries, and the home care environment). Respiratory therapists in the Pulmonary Care Unit specialize in the care and treatment of patients with a variety of lung disorders, including: asthma, bronchopulmonary dysplasia, cystic fibrosis, interstitial lung diseases, pneumonias, sleep disorders, lung problems related to neuromuscular disorders, and ventilator dependence.