Rectilinear biphasic waveform characteristics – ZOLL AED Plus Rev V User Manual
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ZOLL AED PLUS Administrator’s Guide
Rectilinear Biphasic Waveform Characteristics
The following table shows the Rectilinear Biphasic waveform’s characteristics when discharged into
25 ohm, 50 ohm, 100 ohm, and 125 ohm loads at a maximum energy setting of 200 joules.
Table 9: Biphasic Waveform
Table 10: Delivered Energy at Each Defibrillator Setting into a Range of Loads
The efficacy of ZOLL’s Rectilinear Biphasic Waveform has been clinically verified during a Ventricular
Fibrillation (VF) and Ventricular Tachycardia (VT) defibrillation study. This study (which was
conducted using ZOLL M Series defibrillators) and the findings are described below. Since the AED
Plus’s Rectilinear Biphasic Waveform employs the same first and second phase timing, similar first and
second phase currents/voltages and essentially the same mechanisms for controlling defibrillation
waveshape, the M Series
®
and AED Plus defibrillation waveforms are considered substantially
equivalent.
Discharged
into 25 ohm
load
Discharged
into 50 ohm
load
Discharged
into 100 ohm
load
Discharged
into 125 ohm
load
First Phase
Maximum Initial
Current
32 A
26 A
21 A
17 A
First Phase
Average Current
28 A
22A
16 A
13 A
First Phase Duration
6 ms
6 ms
6 ms
6 ms
Interphase duration
between first and second
phases
150
sec
150
sec
150
sec
150
sec
Second Phase Maximum
Initial Current
33 A
19 A
12 A
11 A
Second Phase Average
Current
21 A
14 A
11 A
10 A
Second Phase Duration
4 ms
4 ms
4 ms
4 ms
Load
Selected Energy
50 J
70 J
85 J
120 J
150 J
200 J
25
40 J
61 J
66 J
95 J
111 J
146 J
50
51 J
80 J
85 J
124 J
144 J
183 J
75
64 J
89 J
111 J
148 J
172 J
204 J
100
62 J
86 J
108 J
147 J
171 J
201 J
125
63 J
89 J
110 J
137 J
160 J
184 J
150
67 J
93 J
116 J
127 J
148 J
168 J
175
61 J
86 J
107 J
119 J
138 J
155 J
Accuracy
±15%
±15%
±15%
±15%
±15%
±15%