PHILIPS MEDICAL SYSTEMS
B
B-5
ECG ANALYSIS PERFORMANCE
(based on default configuration)
asystole On detection of asystole, provides CPR prompt at programmed interval.
pacemaker detection On detection of a pacemaker (in advanced mode or with M3873A/M3874A
FR2+ ECG assessment module), provides screen display of
PACEMAKER
DETECTED alert. M3860A includes pacemaker artifact in ECG display. In both
models, pacemaker artifact is removed from the signal for rhythm analysis.
category nominal specifications
rhythm class
ECG test
sample
a
size
meets AHA recommendations
b
for adult defibrillation
observed 90% one-sided
performance lower
confidence limit
Shockable Rhythm —
Ventricular Fibrillation
300 sensitivity >90%
(meets AAMI DF80
requirement)
(87%)
Shockable Rhythm —
Ventricular Tachycardia
100 sensitivity >75%
(meets AAMI DF80
requirement)
(67%)
Non-Shockable Rhythm —
Normal Sinus Rhythm
300 specificity >99%
(meets AAMI DF80
requirement)
(97%)
Non-Shockable Rhythm —
Asystole
100 specificity >95%
(meets AAMI DF80
requirement)
(92%)
Non-Shockable Rhythm —
All other non-shockable
rhythms
c
450 specificity >95%
(meets AAMI DF80
requirement)
(88%)
a. From Philips Medical Systems ECG rhythm databases.
b. American Heart Association (AHA) AED Task Force, Subcommittee on AED Safety & Efficacy. Automatic External
Defibrillators for Public Access Use: Recommendations for Specifying and Reporting Arrhythmia Analysis Algorithm
Performance, Incorporation of New Waveforms, and Enhancing Safety. Circulation 1997;95:1677-1682.
c. Supraventricular tachycardia (SVT) is specifically included in the non-shockable rhythm class, in accordance with AHA
recommendations
b
and the AAMI standard DF80.