Circulation Compression-only CPR Research suggests: O Survivalrate with compression-only CPR thirst 612 minutes is 40.80 2 Survival rate with chest compression add artificial ventilation is 34.1%o. because artificial ventilation may be result in respiratory alkalosisCirculation —Compression-only CPR • Research suggests: ① Survival rate with compression-only CPR in first 6~12 minutes is 40.8% ② Survival rate with chest compression add artificial ventilation is 34.1% , because artificial ventilation may be result in respiratory alkalosis