Sudden Cardiac Arrest Survival Drops When No AT Is Present at Events

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When a high school athlete suffers sudden cardiac arrest during a sporting event and a certified athletic trainer is on-site, the survival rate is 83%. When an AED is available and used, the survival rate is 89%. But a certified athletic trainer was present at only 22% of exercise-related sudden cardiac arrest events in a major study, and an AED was available in only 33% of cases. The overall two-year survival rate across all cases, regardless of AT or AED presence, was just 48%. The gap between 83-89% survival with proper response and 48% survival without it represents dozens of preventable deaths per year among young athletes. Sudden cardiac arrest in high school athletes is rare in absolute terms, roughly 1 in 50,000 to 1 in 80,000 athlete-years, but when it happens, the outcome is almost entirely determined by response time. An AT who recognizes cardiac arrest, calls 911, begins CPR within seconds, and deploys an AED within 3 to 5 minutes gives the athlete an excellent chance of survival. A coach who has never seen a cardiac arrest, panics, and waits for EMS to arrive in 8 to 12 minutes presides over a death. Beyond cardiac arrest, the emergency preparedness infrastructure at most schools is inadequate. Although AED availability in high schools has increased, less progress has been made ensuring that emergency action plans are properly structured, disseminated, and rehearsed. Many schools have an EAP document that was written once and filed away. Staff do not know where the AED is. No one has practiced the plan. The AT is the person who maintains the EAP, ensures staff know their roles, and drills the response. Without an AT, the EAP is a document, not a capability. This persists because schools treat emergency preparedness as a compliance checkbox rather than an operational readiness requirement. Writing an EAP satisfies the legal minimum in states that require one. Actually staffing, equipping, and rehearsing that plan costs money and time that budget-constrained schools do not allocate. The low absolute probability of cardiac arrest at any single school creates a normalcy bias: administrators reason that it will not happen at their school, until it does.

Evidence

Toresdahl et al., PMC6299352: AT present in only 22% of SCA cases, 83% survival with AT on-site, AED used in 28% of cases with 89% survival (https://pmc.ncbi.nlm.nih.gov/articles/PMC6299352/). Drezner et al.: two-year overall survival rate of 48% for exercise-related SCA ages 11-27. UConn Today (June 2025): AT employment associated with fewer fatalities (https://today.uconn.edu/2025/06/athletic-trainer-employment-in-high-schools-associated-with-fewer-fatalities-and-injuries/). Sudden Cardiac Arrest Foundation statistics (https://www.sca-aware.org/about-sudden-cardiac-arrest/latest-statistics).

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