Respiratory Issues
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Respiratory Issues
Asthma and Allergy
Asthma is a chronic inflammatory disorder of the airways characterized by reversible airflow obstruction and bronchial hyperresponsiveness. Allergies, particularly allergic rhinitis, often coexist with asthma and are triggered by environmental allergens (dust mites, pollen, mold, pet dander). Genetics, early-life respiratory infections, air pollution, and occupational exposures also contribute.
Prevention:
- Avoid known allergens and irritants.
- Use air purifiers and reduce indoor humidity.
- Vaccinate against influenza and pneumococcal infections.
- Early treatment of respiratory infections.
- Smoking cessation and avoiding secondhand smoke.
- Use prescribed inhaled corticosteroids and bronchodilators as directed.
COPD and Chronic Lung Disease
Chronic Obstructive Pulmonary Disease (COPD) includes emphysema and chronic bronchitis. It’s primarily caused by long-term exposure to tobacco smoke. Other causes include indoor air pollution (e.g., biomass fuel), occupational dust and chemicals, and genetic factors like alpha-1 antitrypsin deficiency.
Prevention:
- Stop smoking and avoid exposure to tobacco smoke.
- Limit exposure to air pollutants and occupational hazards.
- Vaccinations (influenza, pneumococcal).
- Early screening for at-risk individuals.
- Pulmonary rehabilitation and regular follow-ups.
Lung Cancer
Most lung cancers are linked to smoking. Other causes include radon gas exposure, asbestos, air pollution, family history, and occupational exposures (e.g., arsenic, diesel exhaust). Non-smokers can also develop lung cancer, often due to genetic mutations or long-term pollutant exposure.
Prevention:
- Avoid tobacco use entirely.
- Test homes for radon and ensure good ventilation.
- Use protective gear if exposed to hazardous substances at work.
- Reduce exposure to air pollutants.
- Regular screening with low-dose CT scans for high-risk individuals (e.g., smokers over 50).
Lung Function Test (Pulmonary Function Testing - PFT)
Lung function tests measure how well the lungs are working. They assess lung volume, capacity, rates of flow, and gas exchange. Common tests include spirometry, diffusion capacity (DLCO), and body plethysmography.
Use:
- Diagnosing diseases like asthma, COPD, ILD.
- Monitoring disease progression and treatment response.
- Pre-operative evaluation and disability assessment.
- Preparation and Prevention of Complications:
- Avoid heavy meals and bronchodilators before testing (as advised).
- Follow proper technique and guidance.
- Safe and non-invasive with minimal risk.
Interstitial Lung Disease (ILD)
ILDs are a group of disorders that cause scarring (fibrosis) of lung tissue. Causes include autoimmune diseases (e.g., rheumatoid arthritis), environmental exposures (e.g., asbestos, silica), medications, radiation therapy, and idiopathic forms like Idiopathic Pulmonary Fibrosis (IPF).
Prevention:
- Avoid exposure to known lung irritants.
- Use protective respiratory gear when necessary.
- Control underlying autoimmune diseases.
- Stop smoking.
- Regular screening if at risk or occupationally exposed.
