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STAR BIPHASIC WAVEFORM
The STAR Biphasic Waveform is designed to measure the patient's impedance and deliver a customized shock. This
allows the delivery of an optimized energy level to each patient. The energy levels for the Responder AED Pro are
available in three on next page for additional information.
The waveform generated by the Responder AED Pro is a BIPHASIC TRUNCATED EXPONENTIAL waveform that is
compliant with ANSI/AAMI DF2 and DF39. The following is a graph of the waveform voltage as a function of time when
the AED is connected to a 50-Ohm resistive load. (See figure A1 and Tables A1through A3)
2000.0
1500.0
1000.0
-500.0
-1000.0
-1500.0
Table A1 - Ultra-Low Current Responder AED Pro (all values are typical)
Patient's
Impedance
(Ohms)
25
50
75
100
125
Page 30 of 33
500.0
0.0
-1.000
0.000
1.000
2.000
Figure A1. STAR BIPHASIC WAVEFORM
Phase 1
Voltage
Duration
(Volts)
(ms)
1390
3.3
1420
4.5
1430
5.8
1435
7.0
1440
8.3
© 2007 General Electric Company
3.000
4.000
5.000
6.000
7.000
TIME (ms)
Phase 2
Voltage
Duration
(Volts)
(ms)
730
3.2
915
3.2
980
3.2
1020
3.2
1040
3.2
8.000
9.000
10.000
Energy
(Joules)
145-195
130-175
120-160
110-150
105-140
2023491-201 Rev B
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