1. Respiratory Distress

2. Pediatric Respiratory System Large head, small mandible, small neck Large, posteriorly- placed tongue High glottic opening Small airways Presence of tonsils, adenoids

3. Asthma: Pathophysiology Bronchospasm Bronchial EdemaIncreased Mucus Production

4. Asthma: Pathophysiology

5. Cast of airway produced by asthmatic mucus plugs

6. Asthma: Signs/Symptoms Dyspnea Signs of respiratory distress –Nasal flaring –Tracheal tugging –Accessory muscle use –Suprasternal, intercostal, epigastric retractions

7. Asthma vs Bronchiolitis Asthma –Age - > 2 years –Fever - usually normal –Family Hx - positive –Hx of allergies - positive –Response to Epi - positive Bronchiolitis –Age - < 2 years –Fever - positive –Family Hx - negative –Hx of allergies - negative –Response to Epi - negative