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Table 1 Different patterns of fatal asthma

From: Clinical review: Severe asthma

  Scenario of asthma death
Variable Type 1 Type 2
Time course Subacute worsening (days). 'Slow onset – late arrival' Acute deterioration (hours). 'Sudden asphyxic asthma'
Frequency 80–85% 15–20%
Airways Extensive mucous plugging More or less 'empty' bronchi
Inflammation Eosinophils Neutrophils
Response to treatment Slow Faster
Prevention Possible (?)