
This episode explores the latest evidence and strategies in defibrillation for improving outcomes in cardiac arrest care.
Timely and effective defibrillation is fundamental to excellent outcomes in cardiac arrest care. But there is a growing body of evidence suggesting that how we deliver those shocks may matter just as much as when we deliver them. Over the last few years we've seen increasing interest in alternative defibrillation strategies, particularly AP pad positioning and double sequential external defibrillation, and the potential impact they can have on outcomes in refractory VF. The DOSE-VF trial was a landmark trial in the area, showing markedly better survival to hospital discharge with both vector change defibrillation and DSED compared with standard antero-lateral pad positioning. Since then, further analyses have suggested that the timing of DSED shocks, pad positioning and the vectors of defibrillation my all play an important role in improving the chances of ROSC and good neurological recovery. Now we've got new evidence from Sheldon Cheskes and colleagues exploring what may actually be driving these improved outcomes. Is it simply that AP pad positioning delivers more current? Or is there something more important about the direction that current travels through the myocardium? The…
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