Asthma

Etiology

  • Episodic bronchoconstriction caused by allergens, infxn, other

Risk Factors

  • Family hx
  • Exposures
  • Medication (e.g. aspirin) or environmental (e.g. pollen, ragweed, etc.) allergies

Symptoms

  • Recurrent bouts of wheezing, cough, clear or colored sputum
  • Often viral or allergen as precipitant
  • Often asx between episodes if well rx
  • Childhood onset common→can outgrow it/persist/or develop later in life

Physical Exam Findings

  • Wheezing on exam
  • Diminished or absent breath sounds an ominous finding in setting acute exacerbation

Links