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Acute asthma in children over two years
| Acute severe |
| SpO2 <92% PEF 33–50% |
| Can't complete sentences in one breath, or too breathless to talk or feed |
| Pulse >125 (>5 years), >140 (2–5 years) |
| Respiration >30/min (>5 years), >40 (2–5 years) |
| Signs of life-threatening asthma |
| SpO2 <92% PEF <33–50% best or predicted |
| Cyanosis |
| Confusion |
| Coma |
| Poor respiratory effort |
| Exhaustion |
| Silent chest |
| Hypotension |
