An antitachycardia stimulation device that automatically adjusts {HEAD ~ its detection rate threshold} as {TAIL ~ a function} of a sensed physiological parameter indicative of cardiac rate 
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An antitachycardia stimulation device that automatically adjusts { HEAD ~ its detection rate threshold } as { TAIL ~ a function } of a sensed physiological parameter indicative of cardiac rate
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