{HEAD ~ The implantable antitachycardia stimulation device} includes {TAIL ~ heart rate detection circuitry} and antitachycardia therapy circuitry for applying a specific antitachycardia therapy in the event that the detected heart rate falls within at least one tachycardia rate zone 
includes
{ HEAD ~ The implantable antitachycardia stimulation device } includes { TAIL ~ heart rate detection circuitry } and antitachycardia therapy circuitry for applying a specific antitachycardia therapy in the event that the detected heart rate falls within at least one tachycardia rate zone
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