How can you achieve a high chest compression fraction?

How can you achieve a high chest compression fraction?

• A. Increase rescue breaths
• B. Minimize pauses in chest compressions
• C. Increase compression depth
• D. Use a louder voice

Answer: (B)

Chest compression fraction is the portion of CPR time that you spend actively delivering chest compressions. To maximize it, you keep interruptions to a minimum so compressions stay continuous. This means coordinating with the team so tasks like checking rhythm, delivering shocks, or giving breaths cause as little pause as possible, switching compressors smoothly, and preparing equipment in advance so you can resume compressions right away. When you maintain a high fraction, perfusion to the heart and brain stays more consistent, which improves outcomes. Increasing rescue breaths would break the flow of compressions and lower the fraction, while increasing depth improves the quality of each compression but doesn’t directly raise the fraction. A louder voice doesn’t affect how long you pause between compressions.

Chest compression fraction is the portion of CPR time that you spend actively delivering chest compressions. To maximize it, you keep interruptions to a minimum so compressions stay continuous. This means coordinating with the team so tasks like checking rhythm, delivering shocks, or giving breaths cause as little pause as possible, switching compressors smoothly, and preparing equipment in advance so you can resume compressions right away. When you maintain a high fraction, perfusion to the heart and brain stays more consistent, which improves outcomes.

Increasing rescue breaths would break the flow of compressions and lower the fraction, while increasing depth improves the quality of each compression but doesn’t directly raise the fraction. A louder voice doesn’t affect how long you pause between compressions.