Rectilinear biphasic waveform characteristics – ZOLL AED Plus Rev V User Manual

Page 46

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36

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%

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