Asthma

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What is Asthma?
A chronic inflamatory disorder of the airways.
- Intermittent and reversible airlfow obstruction affects only the airways, not the alveoli.
- Airway obstruction occurs due to inflamation and airway hyperresponsivness
What are the symptoms of Asthma?
- Dyspnea
- wheezing
- chest tightness
What can trigger an asthma attack?
- Allergies
- Air Pollutants
- Infection
- Exercise
- Stress
- Cold dry air
- Drugs
- GERD
- Hormones/menses
- Food additives
- Occupational Exposure
After exposure to the allergen or irritant, how long can it take for an asthma attack take place in an early-phase response?

30-60 minutes
After exposure to the allergen or irritant, how long can it take for an asthma attack take place in an late-phase response?

4-10 hours