During CPR, what is the correct compression to ventilation ratio for adults?

The correct compression to ventilation ratio for adults during CPR is 30 compressions to 2 ventilations. This ratio is standardized based on guidelines provided by recognized organizations in emergency cardiovascular care, such as the American Heart Association (AHA). The 30:2 ratio is established to optimize the effectiveness of chest compressions while still incorporating rescue breaths, ensuring that the patient receives adequate oxygenation along with continuous blood circulation.

This ratio is particularly important because it allows for a greater number of compressions to be delivered, helping to maintain circulation during a cardiac arrest situation. The focus on high-quality chest compressions, along with providing ventilations, balances the need for effective resuscitation. Emphasizing the right ratio helps rescuers understand the importance of quickly resuming compressions after delivering ventilations, thereby minimizing heart downtime and improving the chances of a successful outcome.

The other options present ratios that are either outdated or not applicable for adults. Understanding the standard approach with the 30:2 ratio is essential for those training in life support, ensuring that they are prepared to act effectively in emergency situations.