The lead may be introduced through the subclavian vein, with {HEAD ~ the distal end} folded back against {TAIL ~ the remainder} of the lead body 
folded back against
The lead may be introduced through the subclavian vein , with { HEAD ~ the distal end } folded back against { TAIL ~ the remainder } of the lead body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH