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Verify scene safety

Check responsiveness
Get help

Pulse:

Yes
Breathing:
Normal

Assess
for breathing
and pulse

Pulse:

Yes
Breathing:
Abnormal

Monitor until
emergency
responders arrive

Pulse:

No
Breathing:
Gasping/
None

Maintain patient
airway and begin
rescue breathing

CPR

AED arrives
Assess cardiac rhythm

NO

Shockable
rhythm?

YES

Resume CPR

Administer shock
Resume CPR

Restart

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