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Appendix B
Appendix1Theory of Operation
This chapter provides waveforms, system level interconnection schematics, and functional descriptions of
the components contained in the HeartStart XL+.
Waveforms
The following diagrams show the waveforms of a 200-J shock and of a pacing pulse.
Figure 108 Waveforms of a 200-J Shock
Figure 109 Waveform of a 175-mA 40-ms Pacing Pulse into 100-ohm Load
2500
2000
1500
500
-500
-1500
-1000
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0
0 5 10 15 20
Volt
ms
Ohm 25 50 75 100 125 150 175
mA
0
ms
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02010 30 40