Causes of alveolar hypoventilation, insidious onset
| Lung and airways diseases |
| Chronic obstructive airway disease (bronchitis, emphysema, bronchiectasis) |
| Chest wall abnormalities |
| Kyphoscoliosis |
| Thoracoplasty |
| Obesity |
| Pleural effusion |
| Neuromuscular disorders |
| Lung and chest wall diseases |
| Scleroderma |
| Polymyositis |
| Systemic lupus |
| Central nervous system abnormalities |
| Primary alveolar hypoventilation (Ondine's curse) |
| Other |
| Electrolyte abnormalities |
| Malnutrition |
| Endocrine disorders |