In one embodiment of the invention, the implantable stimulation device comprises {TAIL ~ a rate responsive pacemaker}, and the sensed physiological parameter used to adjust {HEAD ~ the rate threshold limit} is also used to define a sensor indicated rate signal to control the pacing rate of the pacemaker 
In one embodiment of the invention , the implantable stimulation device comprises { TAIL ~ a rate responsive pacemaker } , and the sensed physiological parameter used to adjust { HEAD ~ the rate threshold limit } is also used to define a sensor indicated rate signal to control the pacing rate of the pacemaker
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH