Lead Sponsor

Ottawa Hospital Research Institute

Collaborators

Age

16 - No limit years

Sex

ALL

Healthy Volunteers

No

•We will enroll ALL patients with prehospital cardiac arrest (absence of a detectable pulse, unresponsiveness, and apnea):
•That are of presumed cardiac origin;
•That occur in the catchment area of our participating sites; and
•For which resuscitation is attempted by a bystander and/or the emergency responders.

•Cardiac arrest witnessed by paramedics after their arrival (no opportunity for bystander intervention);
•Patients younger than 16 years of age (cardiac arrest usually respiratory and rare in this population);
•Patients who are "obviously dead";
•Trauma victims, including hanging and burns; or
•Patients with cardiac arrest clearly of other non-cardiac origin including drug overdose, carbon monoxide poisoning, drowning, exsanguination, electrocution, asphyxia, hypoxia related to respiratory disease, cerebrovascular accident and documented terminal illness.

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