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