If more then one rate zone is used, {HEAD ~ other threshold limits} may also be adjusted automatically as a separate function of {TAIL ~ the same sensed physiological parameter} 
If more then one rate zone is used , { HEAD ~ other threshold limits } may also be adjusted automatically as a separate function of { TAIL ~ the same sensed physiological parameter }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL