CPR Chest Compressions: Depth, Rate, and Technique for Effective CPR
To perform effective chest compressions during CPR, follow these guidelines:
- Depth: Compress at least 2 inches (5 cm) but no more than 2.4 inches (6 cm).
- Rate: Aim for 100–120 compressions per minute; maintain a steady rhythm.
- Full Recoil: Allow the chest to fully recoil after each compression to let blood refill the heart.
- Hand Position: Place the heel of one hand on the center of the chest (between nipples), place the other hand on top, interlock fingers, and keep fingers off the chest.
- Body Position: Position shoulders directly over hands; use body weight for compression force.
- Minimize Interruptions: Pause only for necessary actions like rescue breaths or checking responsiveness.
- Coordinate with Other Rescuers: One performs compressions while the other gives breaths.
- Switch Compressors if Fatigued: Use a hand-over-hand technique to maintain rhythm when alone.
- Recheck Periodically: Briefly pause to assess responsiveness and airway.
Regular CPR training helps master these techniques for confident emergency response.
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