Which resuscitation strategy will result in an improved chest compression fraction?

Which resuscitation strategy will result in an improved chest compression fraction?

• A. Increasing the duration of pauses between compressions
• B. Hovering over the chest during compression pauses
• C. Removing real-time feedback
• D. Excessively deep chest compressions causing pauses

Answer: (B)

Maximizing chest compression fraction means keeping chest compressions happening for as much of the resuscitation time as possible. Every pause takes away perfusion to the heart and brain, so the goal is to minimize interruptions and transition time between compressions and pauses. Hovering over the chest during the pause keeps you ready to resume immediately. You don’t waste seconds moving your hands back into position or searching for the chest, so the start of the next set of compressions is almost instantaneous. This reduces the overall pause duration and increases the proportion of time spent delivering compressions, which is exactly what improves chest compression fraction. In contrast, lengthening pauses, removing feedback that helps optimize timing and depth, or performing actions that create unnecessary or prolonged pauses will all reduce the fraction and hinder perfusion during CPR.

Maximizing chest compression fraction means keeping chest compressions happening for as much of the resuscitation time as possible. Every pause takes away perfusion to the heart and brain, so the goal is to minimize interruptions and transition time between compressions and pauses.

Hovering over the chest during the pause keeps you ready to resume immediately. You don’t waste seconds moving your hands back into position or searching for the chest, so the start of the next set of compressions is almost instantaneous. This reduces the overall pause duration and increases the proportion of time spent delivering compressions, which is exactly what improves chest compression fraction.

In contrast, lengthening pauses, removing feedback that helps optimize timing and depth, or performing actions that create unnecessary or prolonged pauses will all reduce the fraction and hinder perfusion during CPR.