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Updated: May 23, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
The Los Angeles public access defibrillator (PAD) program: ten years after
1Keck School of Medicine, University of Southern California, USA. eckstein@usc.edu
Public access automated external defibrillator (AED) programs demonstrate high survival rates for cardiac arrest patients. This study in Los Angeles found a 69% survival rate among those receiving AED shock, highlighting the program
Area of Science:
- Emergency Medicine
- Public Health
- Cardiology
Background:
- Public access automated external defibrillator (PAD) programs are effective in various locations.
- Assessing the 10-year outcomes of a large urban PAD program is crucial.
Purpose of the Study:
- To evaluate the usage and survival rates of a major urban Public Access Defibrillator (PAD) program.
- To analyze data from the first decade of the Los Angeles PAD initiative.
Main Methods:
- Prospective, longitudinal, observational study conducted from 2002-2012 in Los Angeles.
- Included 1300 automated external defibrillators (AEDs) deployed in public spaces.
- All cardiac arrest incidents involving AED application were recorded.
Main Results:
- 59 cardiac arrest incidents with AED use; 71% occurred at airports.
- 66% of patients had a shockable rhythm, with 77% achieving return of spontaneous circulation (ROSC).
- 69% of patients receiving AED shock survived to hospital discharge.
Conclusions:
- Large-scale urban PAD programs yield high survival rates for cardiac arrest.
- Survivors were documented from various public locations, not solely airports.
- Public access AEDs significantly improve outcomes for sudden cardiac arrest victims.
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