Chain of survival

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The importance of AED in the chain of survival

The importance of AED in the chain of survival

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  • 1. Kenneth Tran, B.Pharm, M.D October 2008
  • 2. Chain of survival
  • 3. Resuscitation success vs Time
  • 4. Incremental benefits by 4 links
  • 5.
    • > 70% of sudden cardiac arrest cases occur out of hospital
    • training and equipping lay volunteers to use an AED in community settings doubled the number of survivors after an out-of-hospital cardiac arrest compared with training in cardiopulmonary resuscitation (CPR) alone, from 15% to 30% survival to hospital discharge
      • Hallstrom AP et al. The Public Access Defibrillation (PAD) trial. N Engl J Med . 2004;351:637-646.
    • People who survive sudden cardiac arrest have an excellent prognosis:
      • 83% survive for at least one year, and
      • 57% survive for five years or longer.
    Why AED is important
  • 6. Sudden death and survival rate Why AED is important VF 62% VT 7% Brady/asystole/PEA 31%
  • 7. Why AED is important Repartition of patients who died during Holter monitoring
    • Ref.:
    • Bayes de Luna, Ambulatory sudden cardiac death: mechanisms of production of fatal arrhythmia on the basis of data from 157 cases . Am Heart J. 1989; 117: 151–159
    • Olshausen KV et al. Sudden cardiac death while wearing a Holter monitor. Am J Cardiol 1991; 67:381-386.
    VT>VF 62% VF 8% Torsade 13% Bradyarrhymthmia 17%
  • 8. Shake and shout Reposition
  • 9. Airway Head-tilt, chin-lift Jaw-thrust
  • 10. 2 rescue breathes 400 – 1000 ml 1 sec/breath Look, listen, feel 5-10 sec
  • 11. CPR Checking carotid pulse
  • 12.  
  • 13. Causes of sudden cardiac death