PHILIPS MEDICAL SYSTEMS
E-2
Based on a consideration of these factors, the Medical Director can configure
the FR2+ to any of four CPR First settings: NO, SMART CPR AUTO1, SMART
CPR AUTO2, and USER. These are defined in greater detail below.
NO SETTING
The NO setting means the FR2+ will not provide an initial CPR interval prior to
defibrillation of a shockable rhythm. Thus, once the FR2+ is attached, it will
advise an immediate shock for all SCA patients presenting with a shockable
rhythm
— even those who may benefit from CPR first — before it provides a
CPR interval. This setting represents the historical behavior of AEDs, including
the ForeRunner and FR2+. It is therefore the default setting for CPR First.
SMART CPR AUTO1 AND AUTO2 SETTINGS
It is often not possible for the responder to know whether an individual patient
might benefit from CPR first or defibrillation first. When set to AUTO1 or
AUTO2, the FR2+ analyzes the patient’s initial rhythm and automates the
decision as to whether an individual patient will receive an initial shock or CPR
first. Based on a database of ECG recordings of actual resuscitation attempts,
*
the SMART CPR algorithm evaluates the initial ECG’s amplitude and frequency
characteristics
— both known predictors of shock success — and calculates the
likelihood of the return of spontaneous circulation (ROSC) following a
defibrillation shock. If the likelihood is low, the FR2+ will provide a CPR interval
prior to defibrillation. If high, the device will advise immediate defibrillation. In
either case, the device adjusts its voice and text prompts appropriately.
WARNING: Performance of the SMART CPR AUTO1 and AUTO2 settings
has not been established in patients under 8 years or 55 lb. (25 kg).
SMART CPR AUTO1. Provides immediate defibrillation for more than 90%
†
of
shockable patients who are likely to achieve ROSC (less than 10% receive CPR
first). Of those shockable patients who are unlikely to achieve ROSC, more than
50% will receive CPR first.
* Data collected from multi-center, multi-national out-of-hospital and in-hospital
adult sudden cardiac arrest rhythms. The SMART CPR algorithm was developed
based on VF, polymorphic VT, and ventricular flutter rhythms.
† Based on observed performance. ROSC was determined by several parameters,
including patient assessment, ECG analysis, and/or patient impedance cardiography.
To Next Page
Loading...