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Cardiac Arrest Survival

It Takes a Community

Sudden Cardiac Arrest 
A heart illustration with two defibrillator paddles and an ECG line in front.

Sudden cardiac arrest can happen anytime to anyone. When a heart stops beating, seconds matter. 

Your chance of surviving an out-of-hospital cardiac arrest varies from less than 5 percent to more than 60 percent depending on your location within the United States.  

That shocking statistic prompted Louisville Fire to launch an initiative in 2023 with a simple goal: Increase the likelihood that cardiac arrest victims in Louisville survive to return home from the hospital to their families, jobs and communities. 

Chain of Survival 
Chain of Survival: Early recognition, CPR, defibrillation, and post-resuscitation care to prevent cardiac arrest and restore life quality.

We can’t do it alone. We need each link in the chain of survival – our 911 dispatchers, bystanders who perform CPR, our police officers, our firefighters and EMS providers, and our hospitals – to join us in moving this important initiative forward.   

Here’s what we’re doing at Louisville Fire:  

  • Collecting, tracking, analyzing and reporting our cardiac arrest survival data.
    • What you measure, you can improve!
  • Shaping our emergency response to reflect scientifically proven survival strategies.  
    • We use a “pit crew” approach — all members of the response team have a role.
  • Training our city employees, police officers and community members in CPR.  
    • Join us for CPR classes on the second Saturday of each month.
  • Debriefing with our crews after each cardiac arrest call, targeting areas we can do better. 
  • Completing quarterly cardiac arrest drills with our crews. 
  • Celebrating our survivors and recognizing bystanders who perform CPR. 
Cardiac Arrest Outcomes 

2022

  • Survival rate: 1/13 or 8% 
  • Bystander CPR rate: 58%

2023

  • Survival rate: 1/5 or 20% 
  • Bystander CPR rate: 57%

2024

  • Survival rate: 5/14 or 36% 
  • Bystander CPR rate: 87%

Your likelihood of surviving cardiac arrest goes down 10% per minute without CPR.  We rely on our bystanders in Louisville to help our patients survive cardiac arrest.   

*Data includes only non-traumatic cardiac arrest victims and excludes those with a valid Do Not Resuscitate (DNR) directive, whether or not CPR was started. Patients who got bystander CPR and had pulses upon EMS arrival are included.