| A | B |
|---|
| Allergen/Trigger | Substance capable of inducing an allergic reaction of specific hypersensitivity, associated with asthma |
| Bronchospasm | Constriction of bronchi, associated with asthma and sometimes emphysema |
| Productive Cough | Cough with sputum, associated with chronic bronchitis |
| Pursed Lips | Narrowed opening in lips to help keep continuous positive pressure in the lungs, associated with emphysema patients |
| Pulmonary Edema | Accumulation of fluid in the alveoli |
| Paroxysmal Nocturnal Dyspnea | Being awaked with difficulty breathing |
| Orthopnea | Dyspnea when lying down |
| Pneumonia | Consolidation of pus blocking airways |
| Pulmonary Embolism | Clot or other particle blocks a pulmonary artery |
| Hyperventilation Syndrome | Hypocarbia due to stress or anxiety attack |
| Carbon Monoxide | Binds with hemoglobin more strongly than oxygen |
