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Public Access Defibrillation

 

In 2007 the County of Bruce, the Heart and Stroke Foundation of Ontario in association with the Chase McEachern Tribute Fund and the municipalities of Bruce County joined together to equip all arenas in Bruce County with automated external defibrillators.

The Bruce County Public Access Defibrillation program now has over fifty AEDs throughout Bruce County. AEDS can be found at public venues, community centres, harbours and all Bruce County High Schools 

 

 

 An automated external defibrillator (AED) is a portable device that analyzes a victim’s heart rhythm and, if necessary, allows a rescuer to deliver an electrical shock to the victim of sudden cardiac arrest.

This allows immediate intervention in a cardiac arrest situation when medical assistance may be several critical minutes away.

Public access defibrillators are available for use by anyone who is trained in the use of an AED.

 AED Wall cabinet July 2011                       

 

Facts about cardiac arrest and defibrillation

 

Cardiac refers to the heart. Arrest means stop. Sudden cardiac arrest is the sudden and unexpected loss of heart function in a person.

Signs of cardiac arrest include: no breathing, no movement or response to initial rescue breaths, and no pulse.

In Canada, 35,000 to 45,000 people die of sudden cardiac arrest each year.1

For every one-minute delay in defibrillation, the survival rate of a cardiac arrest victim decreases by 7 to 10%. After more than 12 minutes of ventricular fibrillation, the survival rate of adults is less than 5%.2

Early access to 911 is the first link in the patient’s chain of survival.

 Chain of Survival for PAD

 The Ontario Heart and Stroke’s Chain of Survival depicts the critical actions required to treat life-threatening emergencies, including heart attack, cardiac arrest, stroke, and foreign body airway obstruction. The links within this "Chain of Survival" include:

1. Early access to the emergency response system.
2. Early CPR to support circulation to the heart and brain until normal heart activity is restored.
3. Early Defibrillation to treat cardiac arrest caused by Ventricular Fibrillation; and
4. Early Advanced Care by EMS and hospital personnel.

The first link, Early Access to the emergency response system, includes early recognition of the cardiac emergency and early notification of rescue personnel via a universal 9-1-1-telephone system as well as an internal alert system within specific facilities to trigger a response by designated trained and equipped personnel.

The second link, early CPR, is a set of actions that the rescuer performs in sequence to assess and support airway, breathing and circulation.

The third link, early Defibrillation, is the delivery of a shock to the heart to convert the heart's rhythm from Ventricular Fibrillation back to a normal heart rhythm.3

 

Refeerences

  1. Gardiner, Martin J., Leather, Richard and Teo, Koon, The Prevention of Sudden Death from Ventricular Arrythmia, Chapter 1, Epidemiology, Canadian Cardiovascular Society, 1999.
  2. Larsen MO, Eisenberg MS, Cummins RO, et al. Predicting survival from out-of hospital cardiac arrest: a graphic model. Annals of Emergency Medicine 1993;22:1642-1658
  3. ZOLL Medical. Website at http://www.zoll.com/popup.aspx?id=1109