How should you perform rescue breaths during CPR?

When performing rescue breaths during CPR, the correct approach involves giving two breaths after every 30 compressions. This method is crucial because it ensures that the person receives a combination of chest compressions, which help circulate blood, and rescue breaths, which provide oxygen to the lungs. The sequence of providing 30 compressions followed by two breaths is based on guidelines that maximize the effectiveness of CPR by maintaining circulation while also addressing the need for oxygenation.

The rationale behind this combination is that chest compressions alone may not sufficiently supply oxygen to vital organs; therefore, incorporating rescue breaths helps restore oxygen levels in the bloodstream. This practice is especially important in situations of respiratory arrest or when the patient has stopped breathing, allowing for the best chance of recovery.

Using a method where only compressions are performed, as suggested by one of the incorrect options, eliminates the critical step of delivering oxygen, which is vital in instances of respiratory failure. Similarly, the idea of giving one breath every minute or breathing into both the nose and mouth simultaneously deviates from the established protocol designed to effectively support the victim's breathing and circulation.