Respiratory medicine, otherwise known as pulmonology, is a subspecialty of internal medicine that deals with a wide range of diagnostic and therapeutic services for patients with conditions affecting the lungs and respiration, or breathing. The focus of respiratory care is to provide relief to individuals suffering from chronic lung and airway diseases. We utilize BPAP and CPAP a part of our respiratory treatment. CPAP stands for Constant Positive Airway Pressure, in other words, the pressure never varies. BPAP, or BiPAP, Bi meaning two, has two different pressures.