Key Points
Disorders of Respiratory System
| Disorder | What Happens | Symptoms | Cause |
|---|---|---|---|
| Emphysema | Destruction of alveoli walls | Shortness of breath | Smoking, air pollution |
| Chronic Bronchitis | Inflammation of bronchi (long-term) | Coughing, shortness of breath | Smoking, air pollution |
| Acute Bronchitis | Inflammation of bronchi (short-term) | Shortness of breath, yellow mucus | Viral & bacterial |
| Sinusitis | Inflammation of sinuses | Mucous discharge | Viruses or bacteria |
| Laryngitis | Inflammation of larynx | Sore throat, hoarseness, cough | Viruses & bacteria |
| Pneumonia | Lungs filled with fluid/pus | Cough, fever, chest pain | Bacteria & viruses |
| Asthma | Constriction of bronchioles | Wheezing, difficulty breathing | Allergy (pollen, food, pet hair) |
| Silicosis/Asbestosis | Fibrosis & lung damage | Inflammation, lung damage | Long-term exposure to silica/asbestos |
