Why is an AED better than CPR?

An AED is not better or worse than CPR, but rather works in conjunction with cardiopulmonary resuscitation (CPR). Both are critical components in the Chain of Survival. CPR keeps oxygenated blood flowing to the brain and vital organs, and an AED provides an electrical shock to help the heart reset itself to its natural rhythm.

S. Joanne Dames - MD, MPH

Updated: 4/14/2020

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