Apparatus and method for controlling pulse energy in antitachyarrhythmia and bradycardia pacing device
First Claim
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1. An apparatus for treating cardiac arrhythmias comprising:
- bradycardia pulse supplying means for supplying bradycardia pacing pulses at an energy level;
detecting means for detecting a tachycardia;
antitachycardia therapy means responsive to said detecting means for supplying antitachycardia therapy to revert said tachycardia; and
energy level setting means responsive to said detecting means for setting said energy level of said bradycardia pacing pulses, said energy level setting means setting said energy level to a first discrete energy level, said energy level setting means setting said energy level to a second discrete energy level for bradycardia pacing after reversion of a tachycardia, said second level being higher than said first level.
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Abstract
An apparatus and method for controlling pulse energy in an arrythmia control device wherein bradycardia pacing pulses are normally delivered at a first energy, and after antitachycardia therapy, bradycardia pulses are delivered at a second energy, the second energy being greater than the first energy. The antitachycardia therapy may be at least one of antitachycardia pacing, cardioversion and defibrillation; and is delivered at a third energy level greater than said second energy level. The second energy level is maintained for a predetermined period of time and then returned to the normal bradycardia pacing energy.
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Citations
29 Claims
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1. An apparatus for treating cardiac arrhythmias comprising:
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bradycardia pulse supplying means for supplying bradycardia pacing pulses at an energy level; detecting means for detecting a tachycardia; antitachycardia therapy means responsive to said detecting means for supplying antitachycardia therapy to revert said tachycardia; and energy level setting means responsive to said detecting means for setting said energy level of said bradycardia pacing pulses, said energy level setting means setting said energy level to a first discrete energy level, said energy level setting means setting said energy level to a second discrete energy level for bradycardia pacing after reversion of a tachycardia, said second level being higher than said first level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for treating cardiac arrhythmias comprising the steps of:
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providing first bradycardia pacing pulses, said bradycardia pacing pulses being supplied at a first discrete energy level; detecting the presence of tachycardia; supplying antitachycardia therapy to revert said tachycardia; and delivering second bradycardia pacing pulses, after reversion of said tachycardia, said second bradycardia pacing pulses being of a second discrete energy level, said second discrete energy level being greater than said first energy level. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. An apparatus for treating cardiac arrhythmias comprising:
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bradycardia pulse supplying means for supplying bradycardia pacing pulses at an energy level; detecting means for detecting a tachycardia; antitachycardia therapy pacing means responsive to said detecting means for supplying antitachycardia pacing therapy to revert said tachycardia; and energy level setting means responsive to said detecting means for setting said energy level of said bradycardia pacing pulses, said energy level setting means setting said energy level to a first energy level for bradycardia pacing, said energy level setting means setting said energy level to a second energy level for bradycardia pacing after reversion of a tachycardia, said second level being higher than said first level.
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29. A method for treating cardiac arrhythmias comprising the steps of:
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providing first bradycardia pacing pulses, said bradycardia pacing pulses being supplied at a first energy level; detecting the presence of tachycardia; supplying antitachycardia pacing therapy to revert said tachycardia; and delivering second bradycardia pacing pulses, after reversion of said tachycardia, said second bradycardia pacing pulses being of a second energy level, said second energy level being greater than said first energy level.
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Specification