When drawing blood from a double lumen PICC line, which has TPN running do you
1/ Flush with 10mls of normal saline, pull back 10mls of blood discard and throw that away before taking your sample.
2/ Turn off TPN and wait for 30 mins and then draw blood, after having flushed with normal saline, drawing back, throw first sample away and then take a second sample.
3/ Draw the blood without flushing
4/ Turn off TPN, immediatly flush the line, draw blood, discard first specimen and then take a second sample.
5/ None of the above-explain
Draw from other port.
Flush with 10 cc NS, waste, draw sample and flush with 20 cc NS
Last edit by RaeRN30 on Nov 4, '10
: Reason: Oops