CDH Paramedic Entrance Practice Exam 2026 – Your All-in-One Resource for Exam Success!

In adult CPR, the recommended compression to ventilation ratio is 30:2. This ratio is important because it has been established to provide effective resuscitation during cardiac arrest. The emphasis is on providing high-quality chest compressions, which are essential for maintaining blood circulation to vital organs, while still ensuring adequate ventilation for oxygenation.

With the 30:2 ratio, the first 30 compressions are delivered at a rate of 100 to 120 compressions per minute, followed by two rescue breaths. This pattern helps to maximize blood flow while allowing enough time to deliver breaths, ensuring that both circulation and ventilation are addressed.

Other ratios do not align with the current standards set forth by organizations such as the American Heart Association, which advocates for the 30:2 ratio for adult victims of cardiac arrest during CPR. The primary focus for adult CPR is maintaining a strong emphasis on compressions while integrating rescue breaths in a balanced manner, which is precisely what the 30:2 ratio achieves.