Which compression-to-ventilation methods for cardiac arrest are associated with better outcomes?

BEEM Bottom Line

Why is this study important?

This systematic review and meta-analysis explores the effectiveness of different compression-to-ventilation methods during cardio pulmonary resuscitation (CPR) for patients experiencing cardiac arrest, and it attempts to elucidate if outcomes (return of spontaneous circulation, survival to hospital, and neurologically intact survival) differ depending on the CPR provider, setting, and characteristics of recipients.

Which, if any, threats to validity are most likely to have an impact on the results and how?

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