| Term used | Lay Description |
| Aetiology | Causes of disease |
| Crepitations | Sounds heard in the chest using a stethoscope |
| Dyspnoea | Difficulty in breathing |
| FEV1 | Measurement of expiratory flow using a spirometer ‐ detects lung disease related to airway obstruction |
| Morbidity | illness or disease |
| Orphan disease | A rare disease in the developed world or one that is poorly researched |
| HRCT scans | High Resolution CT scan of the chest ‐ a CT technique for evaluation of small airway disease |
| Haemoptysis | Coughing up blood |
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