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Glossary of Terms
D-3
Philips Medical Systems
D
non-shockable
rhythm
................................ A heart rhythm that the HeartStart FR2+ determines is not appropriate for
shock delivery.
NSA .......................................... No Shock Advised decision, made by the HeartStart FR2+ based on
analysis of the patient’s heart rhythm.
pacemaker .............................. External or implanted cardiac pulse generator that stimulates the heart
electronically.
pads ......................................... See “defibrillator pads.”
pause ....................................... A defined period during which the HeartStart FR2+ does not perform rhythm
analysis.
pediatric defibrillation ............ Defibrillation of a child under eight years of age or 55 lbs. (25 Kg). It is
recommended that FR2 infant/child reduced-energy defibrillator pads be
used for pediatric patients.
periodic selftests ................... Daily, weekly, and monthly tests automatically conducted by the FR2+ when
it is in the standby mode. The tests monitor many key functions and
parameters of the FR2+, including battery capacity and the state of its
internal circuitry.
presenting ECG ...................... The heart rhythm seen by the HeartStart FR2+ when it is first connected to
the patient (via the defibrillator pads) and begins rhythm analysis.
prompts ................................... The voice commands and screen text used to guide the responder through
use of the HeartStart FR2+ to treat the patient.
protocol ................................... A sequence of operations performed by the HeartStart FR2+ to direct
patient care in the AED mode.
protocol timeout .................... A programmable interval between shocks, used by the HeartStart FR2+ to
decide if the shocks are part of the same shock series.
read (data) .............................. A feature of the HeartStart FR2+ that allows it to read setup data from a
M3854A data card.
receive (data) ......................... A feature of the HeartStart FR2+ that allows use of its infrared (IR)
communications port to receive revised setup and clock settings directly
from another device.
rechargeable battery .............. The M3848A FR2+ rechargeable battery, used with the M3849A charger
only.
record voice ............................ An optional feature of the HeartStart FR2+ that allows sound recording to a
data card during use of the device in an incident. Activation of this feature
requires revision of the HeartStart FR2+’s default settings.