Every five years, the American Heart Association (AHA) updates its Guidelines for CPR and Emergency Cardiovascular Care (ECC). This scientific refresh incorporates the latest data from hospital emergency departments, EMTs in the field,and medical symposiums to improve survival rates for cardiac arrest.
The 2025 AHA Guidelines for CPR and ECC officially reinforced the shift toward high-performance resuscitation. While the standard 30:2 ratio remains the baseline for basic certification, the new science places a massive emphasis on minimizing pauses and optimizing perfusion pressure.
Currently, a major shift is occurring across the U.S. that is expected to be implemented on a wider scale as the AHA rolls out its guidelines in 2030. While the standard BLS/ACLS protocol for an adult remains the 30:2 ratio (thirty compressions to two ventilations), many regions are moving toward Cardiocerebral Resuscitation (CCR).
From CPR to CCR: Prioritizing the Brain
Cardiocerebral Resuscitation (CCR) is designed to replace traditional CPR in many emergency medical settings. This transition is already well underway in several states.
In Eugene, Oregon, and Santa Clara County, California, EMTs are now providing Continuous Chest Compressions (CCC). Instead of traditional intubation, they utilize a King Airway—designed to seal the esophagus and allow more air to enter the lungs through passive ventilation—paired with a Non-Rebreather (NRB) mask delivering 100% oxygen.
The Problem with Forced Ventilation
Traditional bag-valve mask (BVM) ventilation can lead to gastric inflation (air entering the stomach), which often causes vomiting and aspiration. Even without forced breaths, the physical pressure of compressions can act like a vacuum,drawing stomach contents up. The King Airway solves this by blocking the esophagus, ensuring that the “bellows” effect of the chest compressions only moves air into the lungs.
How Passive Ventilation Works
Passive ventilation allows air to be drawn into the lungs naturally as the chest recoils (decompresses) and expelled as the chest is compressed.
While it is well known that compressions circulate blood to the heart and brain, the negative pressure created during the recoil phase also “vacuums” air into the lungs. CCR minimizes interruptions, allowing oxygen to be drawn in continuously. EMTs facilitate this by using airway adjuncts and high-flow oxygen, similar to the oxygen masks that deploy on an airplane during a pressure drop.
CPR vs. CCR: What is the Difference?
- CPR (Cardiopulmonary Resuscitation): Developed by the AHA in 1960, this method focuses heavily on the pulmonary (lung) component, frequently interrupting compressions to deliver manual breaths.
- CCR (Cardiocerebral Resuscitation): Maintains a continuous flow of oxygenated blood to the heart and brain until a defibrillator can shock the heart back into a normal rhythm.
Why is CCR More Effective?
The primary benefit of CCR is perfusion pressure. Every time compressions are stopped to deliver breaths, the blood pressure drops significantly. It takes several compressions to build that pressure back up once you resume. In a cycle of 30 compressions, often only the last 20 are truly effective at perfusing the brain. By eliminating the pauses, we keep the “pump” primed and the pressure constant.
The Future of AHA Guidelines
Although CCR was not the primary focus of the 2025 guidelines, the algorithm has been developed by the AHA and may be major focal point for the 2030 update. The Sarver Heart Center in Arizona recently published findings showing that continuous compressions can nearly double a person’s chances of survival, increasing rates from 14% to 23%.
While these changes will eventually be implemented into BLS classes EMS agencies are staying ahead of the curve to save more lives today.
Join Us at Revive CPR
At Revive CPR in San Francisco’s Mission Bay, we stay at the forefront of these life-saving techniques. All of our classes are instructor-led with personalized, hands-on feedback.
Why choose an instructor over a machine? Some companies use “Voice Assisted Manikins” (VAM)—a computer-guided machine. We believe people learn better from experienced professionals, not impersonal machines.
- Location: 148 Townsend St., San Francisco, CA 94107
- Bonus: Receive a complimentary rescue breathing barrier keychain with every class!
As an Authorized AHA Training Site, we currently follow the 2025 Guidelines for all BLS and CPR certifications, ensuring your credentials are accepted by California hospitals, clinics, and EMS agencies.
References
- Santa Clara County New CPR Protocol: SCC EMS Agency
- Eugene & Springfield OR. CCR Protocol: CCR Pamphlet
- AHA CCR Algorithm: American Heart Association
- University of Arizona Sarver Heart Center: Hands-Only CPR Research
