What percentage of normal blood flow does CPR provide?

Cardiopulmonary resuscitation (CPR) is a critical intervention that aims to maintain vital blood flow to the heart and brain during cardiac arrest. When performed correctly, CPR can generate approximately 30% of normal blood flow. This percentage is significant because it allows for some perfusion of the vital organs, which can help to preserve brain function and increase the chances of survival until advanced medical intervention is available.

The effectiveness of CPR in maintaining blood flow can depend on several factors, including the quality of the chest compressions and the timing of the intervention. Understanding this percentage is crucial for EMTs and healthcare providers as it underscores the importance of immediate response to cardiac arrest situations, emphasizing that even though CPR may not restore a normal heartbeat, it plays a vital role in sustaining life during emergencies.