Diagnosis and treatment of conditions including: - Acute or chronic lung infections - Asthma and exercise-induced asthma - Acute or chronic bronchitis - Chronic obstructive pulmonary disease (COPD) - Daytime sleepiness - Emphysema - Insomnia/poor sleeping patterns - Lung cancer - Occupational lung injury - Pulmonary fibrosis - Pulmonary hypertension - Pulmonary rehabilitation - Sarcoidosis - Shortness of breath - Sleep apnea - Assisting with smoking cessation - Acute respiratory failure from neuromuscular disease - Ventilator management and various ventilator methods