The pacing channel 24 includes {HEAD ~ a pulse generator circuitry} for generating stimulation pulses of {TAIL ~ a prescribed pulse width amplitude} and rate, as is commonly done in a pacemaker 
The pacing channel 24 includes { HEAD ~ a pulse generator circuitry } for generating stimulation pulses of { TAIL ~ a prescribed pulse width amplitude } and rate , as is commonly done in a pacemaker
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH