The lead is then further withdrawn until {HEAD ~ the V shaped bend} is located at {TAIL ~ the junction} of the subclavian and interior jugular veins 
is located at
The lead is then further withdrawn until { HEAD ~ the V shaped bend } is located at { TAIL ~ the junction } of the subclavian and interior jugular veins
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH