What technique is emphasized in CPR training to maintain blood circulation?

The technique of using compressions first in CPR is emphasized because it prioritizes maintaining blood circulation to vital organs, especially the heart and brain, during a cardiac arrest situation. Effective chest compressions create artificial circulation, which is crucial for delivering oxygenated blood to the body until professional help arrives. This method increases the chances of survival and can significantly improve the outcome for the individual experiencing cardiac arrest.

In CPR, the quality of chest compressions—both in terms of depth and rate—is vital. The recommended depth is about 2-2.4 inches for adults, at a rate of 100-120 compressions per minute. By focusing on compressions first, CPR responders ensure that even without rescue breaths, the individual receives some level of perfusion, which is critical in emergency situations.

The other choices, though important in the broader context of emergency response, do not directly prioritize the maintenance of blood circulation in the same way. For instance, breathing techniques and manual defibrillation are secondary actions after ensuring that compressions are started promptly. Immediate calling for emergency services is essential but is a step in the overall process rather than a technique aimed at maintaining circulation.