Table 2

Comparison of timing between calls encountering a barrier and those that did not

Key taskNo barrier (median)Interquartile rangeBarrier (median)Interquartile range
Recognition of cardiac arrest20 s0 s–40 s1 min 30 s30 s–2 min 20 s
Time to first ventilation2 min 00 s1 min 30 s–2 min 20 s6 min 00 s4 min 15 s–7 min 35 s
Time to first compression3 min 05 s2 min 22 s–4 min 26 s7 min 10 s6 min 00 s–8 min 30 s