Table 1

 Category of patient by diagnosis or destination

Diagnosis or destinationNumber of patients
COPD, chronic obstructive pulmonary disease; LVF, left ventricular failure.
Appropriate alerts
    Cardiac arrest4
    Respiratory arrest2 (1 paediatric)
    Collapse3
    Status epilepticus1 (paediatric)
    Left ventricular failure3
    Hypothermia1
    Cerebrovascular accident2
    Myocardial infarction1
    Trauma5
    Severe COPD1
    Total23
Inappropriate alerts
    Lower respiratory tract infection1
    Angina1
    Moderate LVF1
    Moderate exacerbation of asthma1 (paediatric)
    Total4
Needed alerting (but were not)
    Cardiac or respiratory arrest0
    Status epilepticus1
    Myocardial infarction8
    Shock and abdominal pain1
    Collapse3
    Trauma2
    Stridor2 (paediatric)
    Meningitis1
    LVF1
    Severe overdose3 (1 paediatric)
    Life-threatening asthma2 (1 paediatric)
    Intensive care unit1
    Transferred for definitive care1
    Died in department3
    Total29