Figure 1.

Relation between outcome, CPR quality and time to first defibrillation (≤ 10 minutes), in patients presenting with VF/VT (a, upper); or asystole/PEA (b, lower). Note that the BLS phase may extend beyond the first defibrillation. CPR quality scale: None; Intermediate quality; Compressions and ventilations of good quality. Individual observations have been scattered and stacked to improve visualization.

Skogvoll and Nordseth Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2008 16:11   doi:10.1186/1757-7241-16-11
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