| Term 
 
        | Hospital Management FEV 1 or PEF >= 40% |  | Definition 
 
        | 
O2SABA (INH or MDI) Up to 3 doses in 1st hourPO Corticosteroids (lack of response, recent PO corticosteroids) |  | 
        |  | 
        
        | Term 
 
        | Hospital Management < 40% (Severe) |  | Definition 
 
        | 
O2, High dose SABA + ipratropium (INH or MDI) q20min or continous for 1 hourPO Corticosteroids |  | 
        |  | 
        
        | Term 
 
        | Hospital Care Impending or actual resp. arrest   |  | Definition 
 
        | 
Intubation with O2Nebulized SABA and IpratropiumIV CorticosteroidsAdmit to hospital ICU |  | 
        |  | 
        
        | Term 
 
        | Hospital care After Repeat Assessment (FEV1 or PEF 40-69%) |  | Definition 
 
        | 
PE: Moderate symptomsInhaled SABA Q 60minContinue 1-3 hours if improvementMake admit decision < 4 hours |  | 
        |  | 
        
        | Term 
 
        | Hospital Care Repeat Assessment (FEV1 or PEF < 40 %) |  | Definition 
 
        | 
PE: Severe symptoms at rest, accessory muscle useHx: high risk patientNo improvement after initial treatmentOxygenNebulized SABA + ipratropium, hourly or continuousOral corticosteroids |  | 
        |  | 
        
        | Term 
 
        | 3rd Tier: Good Response FEV1 or PEF > 70% |  | Definition 
 
        | 
Response sustained 60 minutesno distressPE: NormalDischarge: SABA, PO Corticoid, possibly ICS |  | 
        |  | 
        
        | Term 
 
        | Hospital Care 3rd Tier - incomplete FEV1 or PEF 40-69% |  | Definition 
 
        | 
Mild-to-moderate symptomsIndividualized decisionDC: SABA, PO corticoid, Possibly ICSAdmit to floor and intiate O2, inhaled SABA, systemic corticoid |  | 
        |  | 
        
        | Term 
 
        | 3rd tier poor response FEV1 or PEF <40 |  | Definition 
 
        | 
PCO2 > 42 mmHgPE: Severe symptoms Drowsiness and confusionAdmit to ICU and initiate O2, SABA hourly or cont., IV Corticoid, possible intubation and mechanical ventilation   |  | 
        |  |