Safety, Fire & Survival · First Aid — CPR
For an adult in cardiac arrest, the recommended chest-compression rate is approximately:
- A100-120 per minute✓ Correct
- B20-40 per minute
- C150-180 per minute
- D60 per minute
Explanation
High-quality CPR uses a compression rate of 100-120 per minute at a depth of about 5 cm (2 in) for adults, allowing full recoil, minimizing interruptions, with a 30:2 compression-to-ventilation ratio for a single rescuer.
Authority: ILCOR/AHA basic life support guidelines
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