What would indicate that asthmas less likely
Chronic sputum production
Dizziness (associated with SOB)
Chest pain
Noisy inspiration
Triggers of asthma
Viral infection Cigarette smoke Pollution Cold Emotion Exercise Pets Pollen Allergens
Differential diagnoses for chronic cough
GORD
allergic rhinitis
Features of adult onset asthma
More common in women
Responds less well to inhaled corticosteroids
Life threatening asthma signs
PEF >33% Spo2 <92% Po2 <8 Silent chest Cysnosis Poor respiratory effort Arrhythmia Exhaustion Altered consciousness Hypotension Normal pCo2
Emergency treatment of life threatening asthma
back to back salbutamol nebuliser Ipratropium if required If hypoxic, give O2 Steroids IV magnesium sulphate Referral to intensive care if not improving