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Implantable cardioverter defibrillator (ICD), subcutaneous implantable cardioverter defibrillator (SICD), and waveform energy control systems
Implantable cardioverter defibrillator (ICD), subcutaneous implantable cardioverter defibrillator (SICD), and waveform energy control systems
Cardiac defibrillation or cardioversion waveform energy control systems employ transvenous ICDs, subcutaneous SICDs, or pacemakers for treating cardiac conditions. The systems comprise differentially driven amplifier circuit operational modes to control the delivery of pacing, anti-tachycardia pacing, defibrillation, and/or cardioversion electrical shocks, wherein the pacing, anti-tachycardia pacing, and shock waveforms employ constant current, constant voltage, or constant energy. Biphasic arbitrary shock waveforms deliver increasing energy with increasing time as represented by phase 1 ascending ramp, ascending exponential, ascending chopped, ascending stepped, ascending curved, square, or rectilinear and/or any combination of geometric shaped ascending arbitrary waveforms or any BTE waveform.
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