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str ker <br />i <br />Full Energy Biphasic 360 Joule Technology <br />Physio-Control LTFFPAI O monitor/defibrillators <br />Key definitions <br />Monophasic waveform 40 ...Peak Current nionopliasic waveform <br />(older, single direction 30 <br />energy delivery, higher R <br />peals current) 20 Peak Current biphasic waveform <br />Biphasic waveform 1° <br />(modern, bidirectional o <br />energy delivery, less 10 <br />peak current) <br />• Biphasic 'Truncated U ' 15 'r 20 <br />Time (ms6 <br />Exponential- BTE <br />(dynamic current and duration, fixed shape) <br />• Rectilinear Biphasic Waveform- RBW <br />(dynamic current and shape, short fixed duration) <br />11 <br />Energy expressed in joules <br />(combined metric of current and voltage over time) <br />• Joule (unit of energy (J), 1 amp passing through 1 ohm for 1 sec) <br />• Current (flow of electricity measured in amps (A)) <br />• 'Voltage (electromotive push or force measured in volts (V)) <br />• Duration (interval of time measured In milliseconds) <br />• Impedance (resistance to flow of current measured in ohms) <br />Clinical study (human population) <br />Experimental study (animal population) <br />Biphasic waveforms and maximum programmed settings' <br />s <br />Time (ms) <br />Optimizing conversion rates <br />Biphasic research has provided direction on optimizing <br />conversion rates for the 5-11% of cardiac arrest patients <br />who are difficult-to-defibrillate,',z The more efficient <br />biphasic defibrillation waveforms still leave room to <br />improve conversion rates." <br />• No singular electrical characteristic (current„ <br />voltage or duration) of any biphasic waveform <br />determines conversion rate., <br />• The therapeutic defibrillation dose is a defined set <br />of electrical characteristics over a defined time, <br />measured as energy.' <br />• Published clinical data strongly points to an <br />association between higher biphasic shock energy <br />Uoulcs) and higher conversion rates for VF"/pVT <br />and AF.1-1 <br />Shock Energy (J) <br />7 11hysio-Control ZOLL Philips <br />LiFEPAK 15 X-Series' MRz <br />*Bipliasic measurement's testing at 90 oluns with the Physio-Control LIFE PAK 15 Monitor/Defibrillator, 1OLL X- Series Monitor/Defibrillator and Philips MRx Monitor/ <br />Def brillator.° Average human 'ianpadance range is approximately 70-80 ohms.' <br />