Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/fa-cpr-thirty-two

What compression-to-breath ratio does conventional adult CPR use?

Use 30 compressions to 2 breaths.

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  1. 15 compressions to 1 breath
  2. 30 compressions to 2 breaths ✔
  3. 50 compressions to 5 breaths

Why: Trained rescuers use cycles of 30 chest compressions and 2 breaths in conventional CPR. Use an AED as soon as one is available.

Huh, didn't know that: Each rescue breath should last about one second and make the chest rise.

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References

Answer: 30 compressions to 2 breaths. Trained rescuers use cycles of 30 chest compressions and 2 breaths in conventional CPR. Use an AED as soon as one is available.

  1. What is CPR? cpr.heart.org/en/resources/what-is-cpr
    conventional CPR using chest compressions and mouth-to-mouth breathing at a ratio of 30:2
    Checked 2026-10-21.

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