What is the recommended chest compression rate during adult CPR?

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Multiple Choice

What is the recommended chest compression rate during adult CPR?

Explanation:
Maintaining an appropriate chest compression rate is essential for effective adult CPR. The recommended rate is about 100 to 120 compressions per minute. This range supports adequate perfusion of the heart and brain while preserving enough time for the chest to recoil between compressions, which helps venous return and coronary filling. Rates slower than this can reduce perfusion pressure and blood flow, while rates faster than this can compromise chest recoil and filling, lowering overall stroke volume. Therefore, 100–120 compressions per minute is the best guidance.

Maintaining an appropriate chest compression rate is essential for effective adult CPR. The recommended rate is about 100 to 120 compressions per minute. This range supports adequate perfusion of the heart and brain while preserving enough time for the chest to recoil between compressions, which helps venous return and coronary filling. Rates slower than this can reduce perfusion pressure and blood flow, while rates faster than this can compromise chest recoil and filling, lowering overall stroke volume. Therefore, 100–120 compressions per minute is the best guidance.

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