Altoona Lung Specialists provides a wide range of services to our patients in our Lung Disease Center, which offers state-of-the-art care. Testings include pulmonary function testing, Asthma testing, IOS (impulse oximetry), cardiopulmonary stress testing, both diagnostic and titration sleep testing, and more. Altoona Lung Specialists offers patient sleep apnea testing and evaluations from our board-certified sleep physician. We offer comprehensive testings to evaluate the reasoning behind some of the main symptoms of sleep apnea.