what causes respiratory acidosis?
 1 Chest deformities, such as kyphosis. 2 Chest injuries. 3 Chest muscle weakness. 4 Chronic lung disease. 5 Diseases of the airways (such as asthma and chronic obstructive lung disease). 6 Diseases of the chest (such as scoliosis). 7 Diseases affecting the nerves and muscles that signal the lungs to inflate or deflate. 