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