{TAIL ~ The lead} 162 carries {HEAD ~ pacing and sensing electrodes} 172, 174, for sensing ventricular depolarizations and for pacing the heart 
{ TAIL ~ The lead } 162 carries { HEAD ~ pacing and sensing electrodes } 172 , 174 , for sensing ventricular depolarizations and for pacing the heart
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH