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What is CPR at a Ratio?

Published in CPR Ratio 2 mins read

CPR (Cardiopulmonary Resuscitation) at a ratio refers to the specific number of chest compressions given for every rescue breath during the procedure.

CPR Ratio Explained

The CPR ratio specifies how many chest compressions should be performed before giving rescue breaths. This ensures that blood circulation is maintained as effectively as possible during cardiac arrest.

Adult, Child, and Infant CPR Ratio

For most individuals (adults, children, and infants), the standard CPR ratio is:

  • 30 compressions to 2 breaths

This means you perform 30 chest compressions followed by 2 rescue breaths. This cycle is repeated continuously until professional medical help arrives or the person shows signs of recovery.

CPR Steps with Ratio

  1. Assess the Situation: Ensure the scene is safe.
  2. Check for Responsiveness: Tap the person and shout, "Are you OK?"
  3. Call for Help: If the person is unresponsive, call emergency services (like 911 in the US).
  4. Begin Chest Compressions:
    • Place the heel of one hand in the center of the chest.
    • Place your other hand on top of the first.
    • Compress the chest about 2 inches deep at a rate of 100-120 compressions per minute.
    • After every 30 chest compressions… (According to the provided reference).
  5. Give Rescue Breaths:
    • Open the airway using the head-tilt/chin-lift method.
    • Pinch the nose closed and make a complete seal over the person’s mouth with your mouth.
    • Give 2 rescue breaths, each lasting about 1 second and making the chest rise visibly.
    • Continue with cycles of 30 chest compressions and 2 rescue breaths until the child begins to recover or emergency help arrives. (According to the provided reference).
  6. Continue CPR: Repeat steps 4 and 5 until help arrives or there are signs of life.

Importance of Correct Ratio

Maintaining the correct compression-to-breath ratio is crucial because:

  • Effective Circulation: Compressions circulate blood to vital organs.
  • Oxygenation: Breaths provide oxygen to the lungs, which is then circulated by the compressions.
  • Maximizes Survival Chances: Correct CPR technique can significantly increase the chances of survival.

By following the correct CPR ratio of 30 compressions to 2 breaths, responders can provide the most effective support until professional medical help arrives.

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