b'Chain of SurvivalChapter hapterThe chain of survival concept is used to identify the critical steps needed to achieve successful resuscitation from sudden cardiac arrest. A delay or breakdown in any link will significantly reduce the chance of survival.The first aider is a very integral part of the chain of survival.Timing is critical and the essence for survival.Early RecognitionEarly recognition of those at risk of cardiac arrest, followed by call for help/Ambulance 000.Early CPREarly CPR will help maintain oxygenation of vital tissues. This will help preserve and maintain life until Ambulance arrives.Early DefibrillationA controlled electric shock from an Automated External Defibrillator (AED) will help stimulate the heart back to normal beating. Should CPR have commenced within 3 or 4 minutes and defibrillation within 10 minutes, there is an increased chance of survival.Early Advanced (Cardiac)Life SupportEarly response and interventionby Ambulance personnel willsignificantly increase chancesof survival. This specialised treatment willstabilise the patients conditionquickly and efficiently.Arrest SurvivalSinus VF 4 min. 8 min. 12 min. (up to)0%No treatment2%Delayed Defibrillation8%Early CPRDelayed DefibrillationEarly Recognition 20%Early CPREarly DefibrillationEarly Recognition 70-80%Early CPREarly DefibrillationEarly ALSResuscitation 37'