DESC: For those who get there first The Philips HeartStart FRx Defibrillator is designed to be easy to use, rugged and reliable for those who get there first. On the scene with law enforcement, on the field with student athletes or on the job with employees, the FRx Defibrillator is the solution for treating Sudden Cardiac Arrest (SCA) from ventricular fibrillation in environments and conditions too demanding for many other defibrillators. The HeartStart FRx Defibrillator carries innovation in its genes. Building on the successes of the other members of the HeartStart family of defibrillators, the FRx brings innovations to the treatment of SCA. SMART Technology, only from Philips At the core of all HeartStart Defibrillators is SMART Biphasic technology. The HeartStart FRx Defibrillator’s biphasic waveform delivers a highly effective defibrillation shock that is also gentle to the heart. No other external defibrillation therapy has been supported by more published clinical data.1