Chain of Survival Healthy Choices Recognition of the Warning Signs Early Access to EMS Early CPR Early Defibrillation Early Advanced Care Early Rehabilitation 2 Conduction System The heart has its own electrical system ID: 774751
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Slide1
Automated
External Defibrillator
Slide2Chain of Survival
Healthy ChoicesRecognition of the Warning SignsEarly Access to EMSEarly CPREarly DefibrillationEarly Advanced CareEarly Rehabilitation
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Slide3Conduction System
The heart has it’s own electrical systemImpulses come from Sino-Atrial (SA) Node (natural pacemaker)Travel to the Atrio-Ventricular (AV) NodeThe tissue where the heart attack happens diesImpulses cannot cross the dead tissueElectrical impulses are no longer coordinated resulting in abnormal heart rhthyms
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Slide4Conduction System
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Slide5What is an AED
Analyzes heart rhythmGenerates an electric shock – if required to stop abnormal rhythm in the heart Blood is not circulating if the heart is in ventricular fibrillation or ventricular tachycardiaTime from collapse to shock is criticalCPR and defibrillation give the best chance of survival
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Slide6The AED
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Slide7Types of AEDs
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Slide8Operation of AEDs
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ON
ANALYZE
Power ON
Attach Pads
Analyze
Slide9Operation of AEDs
Clear the patient !!!!“I’m clear!”“You’re clear!”“Everyone is clear!”“Shocking now”
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Slide10AED Sequence
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1
Check for responsiveness
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If unresponsive, call 911 or your local emergency number and get AED
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Check Airway, Breathing, Circulation, (ABC)
Perform CPR until AED arrives
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Attach AED if no signs of circulation
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Stand clear, press analyze
Slide11Shock / No Shock Protocols
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Slide12Pad Placement
AdultOne pad – right upper chest, just below clavicleOne pad – left lower anterior chest wall
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Slide13Infant or Child Pad Placement
Infant or pediatric pads One pad – right upper chest, just below clavicleOne pad – left lower anterior chest wallAdult padsOne pad – front middle of chest One pad – middle of back
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Slide14Special Situations
Hypothermia- follow the AED prompts, continue with CPR & handle the patient gently.Water – Wet Environments (do not use)Moving vehicles or toboggan (must be stopped)Aircraft or Helicopters (tell aircrew AED in use)Trauma Patients (not likely to work)Pregnant Patients (use as normal)
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Slide15Special Situations
Metal surfaces (use as normal)Patch medications (remove patch if in way)Pacemakers or implanted defibrillators (if in way- place pad at least one inch away)Oxygen (move oxygen one arm length away)Radio use (do not transmit during analyze and shock)
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Slide16Who uses AEDs
Healthcare providers, emergency workers, or community responders whose job or volunteer work demands that they know how to defibrillate someoneCaregivers, such as family members of people who are under medical supervision due to a high risk of sudden cardiac death
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Slide17Ceasing AED Sequences
The patient has a pulseAnother trained rescuer takes overEMS arrivesIt is unsafe to continueA medical doctor says to stop
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Slide18Legal Aspects
In some provinces/territories, the use of an AED is considered a medical actThe supervising physician provides certification and medical controlFollow provincial or local regulationsCheck with zone or division training officers on the use of AEDs in your area
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Slide19Documentation
Internal event recordersPatroller should complete a medical reportThe AED coordinator is usually responsible for ensuring for passing this information together with the medical report to the receiving hospital.Annual AED and CPR skill retention/certification
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