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?