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