Compression-Only CPR Effectiveness:
- Hands-only CPR can double or even triple survival rates for adult cardiac arrest victims outside of hospitals when initiated immediately by bystanders.
- It's particularly effective during the first few minutes of cardiac arrest, as oxygen already present in the blood can support vital organs temporarily.
Scenarios Where It's Most Useful:
- Compression-only CPR is recommended for adult victims of sudden cardiac arrest in public or at home.
- For children, infants, and drowning victims, conventional CPR (compressions with breaths) is still preferred due to the need for oxygen replenishment in cases of asphyxial arrest.
Survival Odds:
- Survival rates vary but improve significantly with bystander intervention.
- Without CPR, the survival rate decreases by 7-10% per minute of delay in defibrillation.
- Compression-only CPR can sustain circulation until advanced medical care arrives.
The AHA emphasizes hands-only CPR because it simplifies the process, making bystanders more likely to act in emergencies. For best outcomes, follow these steps:
- Call 911 immediately.
- Push hard and fast in the center of the chest at a rate of 100-120 compressions per minute (to the beat of songs like "Stayin' Alive").
- Only stop when emergency responders arrive or if an AED is available.
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